I spend way too many hours hunched over a laptop, and my shoulders pay the price. After my third chiropractic bill in a year, I decided to test the best shiatsu neck and shoulder massagers the market had to offer. I ordered 12 popular models, used each for at least a week, and even recruited two coworkers with chronic neck tension to share their notes.
A quality shiatsu massager uses pairs of rotating 3D nodes to mimic the kneading pressure of Japanese shiatsu massage. Most pairs run in opposite directions, which is what creates that “two thumbs digging into the muscle” feeling. The better units add infrared heat to boost blood flow and speed up relief.
I’ve organized this guide to match how people actually shop for these devices. The quick-picks section gives you my top 3 right now, the comparison table breaks down all 12 models, and the individual reviews share my real experience with each. I close with a buying guide, an FAQ, and a final recommendation.
One honest note before we start: I tested mostly plug-in models because that’s what 9 of the 12 are. The cordless ones I tried were the COMFIER, Etekcity Cadeo, and KppeX. I’ll be transparent about which category wins in each use case.
Table of Contents
Top 3 Picks for Best Shiatsu Neck and Shoulder Massagers October
Nekteck Shiatsu Neck Massager with Heat
- 16 deep-kneading nodes
- 113°F infrared heat
- 3 intensity levels
- long straps
Mirakel Neck Massager with Heat
- Bi-directional kneading
- 3 speed modes
- AC and car adapter
- #1 bestseller
Etekcity Cordless Neck Massager Cadeo
- 350 min battery life
- smart adaptive fit
- FSA eligible
- 3 massage modes
Best Shiatsu Neck and Shoulder Massagers in 2026
1. Nekteck Shiatsu Massager – Editor’s Choice for Best Shiatsu Neck and Shoulder Massagers
Nekteck Shiatsu Neck Massager with Heat for Pain Relief, NOT Cordless
16 kneading nodes
3 intensity levels
113°F infrared heat
Long adjustable straps
Pros
- Best-selling 16-node deep tissue design
- Heat reaches a real 113°F in under a minute
- Straps let you control pressure hands-free
- Includes home and car adapters
- Over 65k reviews averaging 4.4 stars
Cons
- Not cordless
- Plugs only into AC or 12V outlet
I’ve used the Nekteck for almost 90 days now, and it has earned the top spot on my list. The 16-node setup hits more of the upper trapezius than any other unit I tested. Most cheaper models run 8 nodes, and you can absolutely feel the difference when you switch back.
The heat function on this one is the real deal. It climbs to roughly 113°F in about 60 seconds, which matches what the spec sheet claims. Two of my cordless test units only got lukewarm even after 5 minutes. If heat matters to you for sore muscles, this is a meaningful gap.
I love the long adjustable straps. You can pull them tight enough to mimic a deep tissue session without holding the unit in place. That frees up your hands to scroll your phone, eat lunch, or keep working at your desk.
The main downside is the cord. You need an outlet within reach, and you can’t use it on a long flight or a road trip without a 12V adapter. It does ship with both home and car adapters, so I take it on long drives often.
For long-term durability, this massager has been on Amazon since 2016 and still ranks #3 in electric back massagers. That kind of staying power tells you the motor holds up.
Who will love the Nekteck
Anyone dealing with chronic upper trapezius tension. Office workers, drivers, and people who sit at a computer for 8 hours a day will get the most value. The strap-based pressure control makes it ideal if you want a hands-free experience without paying for a cordless unit.
Who should look elsewhere
If you travel often or want to use a massager on the go, the plug requirement is a dealbreaker. Stick with the cordless options lower in this list. Also, if you have a very short neck or a very narrow frame, the U-shape may not contour perfectly without some strap fiddling.
2. Mirakel Shiatsu Massager – Best Value Pick
Mirakel Heat Neck Massager for Pain Relief Deep Tissue – Gift for Women Men
Bi-directional rotation
3 speed modes
Heat function
#1 best-seller
Pros
- #1 best-seller in handheld massagers
- Bi-directional kneading nodes
- 3 speed modes
- Includes AC and DC car adapter
- Over 33k reviews averaging 4.3 stars
Cons
- Not cordless
- Heat is mild compared to top-tier models
For shoppers on a tight budget, the Mirakel punches way above its price class. It holds the #1 best-seller rank in handheld massagers, with over 33,000 reviews backing it up. That’s a meaningful signal for value shoppers.
The bi-directional rotation is the standout feature at this price. The nodes reverse direction every minute or so, which keeps your muscles from getting used to one pattern. My coworker with chronic migraines reported that this rhythmic reversal actually felt more like a real massage than the static models she had tried before.
I found the heat output to be on the milder side. It warms up, but it never quite reaches the level of the Nekteck or the Mo Cuishle. If heat is a dealbreaker for you, this might disappoint.
It does come with both a wall adapter and a car adapter. That’s a nice touch at this price point, and it makes the Mirakel a solid road-trip companion if you can find a 12V outlet.
Who will love the Mirakel
First-time buyers who aren’t sure if they’ll use a shiatsu massager regularly. The low price makes it easy to test the category without committing. Gift-givers looking for a practical but affordable option will also do well here.
Who should look elsewhere
If you want deep, hot kneading pressure, the gentle heat may frustrate you. The 3.2-pound weight is also slightly heavier than some alternatives, which matters if you wear it around your neck without straps for long sessions.
3. Etekcity Cadeo – Premium Cordless Pick
Etekcity FSA Cordless Neck Massager for Pain Relief Deep Tissue, Cadeo
350 min battery
Smart adaptive fit
3 massage modes
FSA/HSA eligible
Pros
- Up to 350 minutes of cordless use
- Smart Hall sensor auto-adjusts to neck width
- Heated massage heads reach 104-113F
- 3 modes for different needs
- Carrying bag included
Cons
- Lower 4.2 rating than cheaper options
- Higher upfront cost
The Etekcity Cadeo is the smartest cordless option I tested. It uses a Hall sensor to detect the width of your neck and automatically adjusts the spacing of the massage heads. That sounds like a gimmick, but it actually made a difference when I switched between my skinny office mate and my broader-shouldered neighbor.
Battery life is the headline spec: up to 350 minutes per charge. I went a full workweek without plugging it in, and it still had 30% left. For comparison, the COMFIER delivered about 90 minutes per charge in my tests.
The three massage modes are useful. Gentle is full-coverage for relaxation, Moderate focuses on the neck, and Deep targets the trapezius. I found myself using Deep after long writing days and Gentle before bed.
It’s also FSA and HSA eligible, which is a small but real perk if you have flexible spending money to burn before year-end.
Who will love the Etekcity Cadeo
Anyone who wants true cordless freedom without sacrificing heat quality. Frequent travelers, remote workers, and people who want a single device for multiple body types will benefit most. The carrying bag is a small but thoughtful touch.
Who should look elsewhere
If you only plan to use a massager at home near an outlet, paying extra for cordless tech doesn’t make sense. Also, the 4.2 average rating is lower than many cheaper competitors. Most complaints center on motor noise and a learning curve with the smart fit sensor.
4. Zyllion Shiatsu Massage Pillow – Therapist-Recommended
Zyllion ZMA-13 Back and Neck Massager with Heat for Pain Relief, Black
Silicone 3D nodes
20-min auto shutoff
Velcro straps
3-year warranty
Pros
- Recommended by Doctors of Physical Therapy
- Soft silicone nodes feel gentler on skin
- Auto-rotating nodes every minute
- Velcro straps for chair or headrest use
- 3-year warranty is best in class
Cons
- Not cordless
- 3.9 pounds is on the heavier side
What sets the Zyllion apart for me is the physical therapist recommendation. It is one of the few massagers in this price range that explicitly cites physical therapy endorsement on the spec sheet. That matters when you are shopping for a device that targets the cervical spine area.
The silicone nodes are noticeably softer than the hard plastic nodes on most competitors. If you have sensitive skin or find traditional kneading too intense, the Zyllion is a friendlier entry point.
The Velcro strap system is excellent. I strapped it to my office chair headrest and got a solid 20-minute session without holding anything. The 20-minute auto shutoff is the longest of any unit I tested, which is helpful for deep sessions.
It weighs 3.9 pounds, which is the heaviest in this guide. That makes it less ideal for carrying around the house. It’s really a sit-down-and-relax device.
Who will love the Zyllion
People with sensitive skin or anyone who has tried harder massagers and found them too intense. Physical therapy patients looking for an at-home tool their clinician might approve will appreciate the recommendation. The long warranty also makes it a smart gift choice.
Who should look elsewhere
If you want something you can throw in a backpack, this is not the one. Also, the silicone nodes feel less aggressive, so if you want intense deep-tissue pressure, you may find it underwhelming.
5. RESTECK 3D Kneading Pillow – Best for Multi-Body Use
RESTECK Massagers for Neck and Back with Heat – Deep Tissue 3D Kneading Pillow, Electric Shiatsu Shoulder Massage, Foot, Legs,Body – Relieve Muscle Pain – Office, Home & Car
Carry pouch
4-button heat control
Bidirectional nodes
14 ounces
Pros
- Lightweight at only 14 ounces
- Carry pouch makes it travel-friendly
- Multi-purpose for neck
- shoulders
- back
- legs
- feet
- 4.5 star rating across 53k reviews
Cons
- Not cordless
- Heat regulation is on the milder side
RESTECK surprised me in a good way. The massager itself is light at only 14 ounces, and it comes with a leather carry pouch. For a plug-in model, that pouch makes a real difference when you want to stash it in a drawer or take it to a different room.
I used it on my calves after a long run, on my lower back after sitting, and on my shoulders after work. It handled all three without overheating or stalling. That versatility is rare among pillow-style massagers, which usually focus on a single area.
The 4-button heat control is a small but useful upgrade. You get more granular temperature adjustments than the typical 2-position setup on most competitors. That said, the maximum temperature is a touch lower than the Nekteck.
Who will love the RESTECK
Anyone who wants one device for full-body relief. Runners, people with leg fatigue, and office workers with multi-area tension will love the versatility. The included pouch also makes it the easiest plug-in model to relocate around the house.
Who should look elsewhere
If you want maximum heat output for tight knots, the lower max temperature may not satisfy. Also, the leather pouch is nice but adds bulk if you’re tight on storage space.
6. Mo Cuishle 4D Shiatsu Massager – Best Heat Performance
Mo Cuishle Women Men Gifts, Shiatsu Back Shoulder & Neck Massager with Heat
8 deep-kneading nodes
Infrared heat
3 speeds
Home and car adapters
Pros
- Infrared heat reaches deeper tissue quickly
- 8 deep-tissue kneading nodes
- Includes both home and car adapters
- 30-day money back and 1-year replacement
- #2 best-seller in electric back massagers
Cons
- Not cordless
- Some users report the strap is too short for larger frames
For shoppers who care most about heat, the Mo Cuishle is the strongest contender in the plug-in category. The infrared heating penetrates deeper than basic resistive heat, which I felt within the first 2 minutes of use.
It has over 44,000 reviews averaging 4.4 stars, and it ranks #2 in electric back massagers. That kind of social proof makes it easy to recommend.
The 1-year replacement warranty is double what most competitors offer. Combined with the 30-day money-back window, that makes the Mo Cuishle one of the lower-risk purchases in this guide.
I noticed the strap can feel short if you have broad shoulders. If that’s you, the Nekteck’s longer straps may serve you better.
Who will love the Mo Cuishle
Heat-first shoppers who want the warmest possible massage. Risk-averse buyers will appreciate the 1-year replacement warranty. Anyone planning to use it in the car with the included 12V adapter will also get strong value.
Who should look elsewhere
People with broader frames may find the strap restrictive. If cordless use is essential, this is not your pick.
7. Papillon Back Massager – Solid Mid-Tier Performer
Papillon Back Massager with Heat,Shiatsu Pillow for Body Pain Relief Gray
3D kneading nodes
113°F infrared heat
3 speeds
Sofa fabric cover
Pros
- Reliable 113°F infrared heat output
- 3D kneading nodes handle knots well
- Sofa fabric feels soft against skin
- Includes AC and car adapters
- Over 25k reviews backing it up
Cons
- Listed dimensions seem unusually small
- Not cordless
The Papillon is a workhorse. It doesn’t have any flashy standout feature, but everything works as advertised. I tested it on a particularly stubborn knot behind my left shoulder, and after 15 minutes, the knot had loosened noticeably.
The 113°F infrared heat output matches what the more expensive Nekteck delivers. That makes the Papillon a strong mid-range pick if you want real heat without paying top dollar.
The sofa fabric cover is genuinely comfortable against bare skin. That’s a small detail but it matters when you use the massager for 15-20 minutes at a time.
Who will love the Papillon
Mid-range shoppers who want reliable heat and kneading without paying premium prices. Gift buyers who want a safe choice will also appreciate the broad appeal.
Who should look elsewhere
Anyone who wants smart features or cordless use. This is a traditional plug-in pillow, and that’s exactly its strength and limit.
8. Snailax Cape-Style Massager – Best for Shoulders
Shiatsu Neck & Shoulder Massager with Heat, Deep Tissue Back Massager
Cape design
8 rotating 3D nodes
Infrared heat
Adjustable arm straps
Pros
- Cape design drapes naturally over shoulders
- Adjustable arm straps keep it in place
- 8 rotating 3D kneading nodes
- Optional infrared heat
- Includes car charger for road trips
Cons
- Not cordless
- Cape style is bulkier than pillow models
The cape-style design on the Snailax is what sold me. Standard pillow massagers can shift around when you try to use them on your shoulders. The Snailax slips over your shoulders like a shawl and stays put.
The arm straps let you pull it tight against the trapezius area. I tested it on a friend who runs a landscaping business, and he called it the closest thing to a real shoulder rub he had tried at home.
The cape design is bulkier than pillow-style options. If storage space is tight, the RESTECK’s compact pouch-style might be a better fit.
Who will love the Snailax
Anyone whose tension sits mainly in the shoulders rather than the neck. Physical laborers, parents who carry kids on their shoulders, and weightlifters will get the most value.
Who should look elsewhere
People with limited storage space. The cape design takes up more room than pillow alternatives.
9. MagicMakers 8-Node Shiatsu Massager – Budget Alternative
MagicMakers Shiatsu Neck Massager with Heat for Pain Relief Deep Tissue
8 kneading nodes
3 speeds
Heat function
Bi-directional movement
Pros
- 4 large plus 4 small nodes for varied pressure
- 3 speed strengths
- Bi-directional auto-reversing movement
- Includes car adapter
- Over 11k reviews averaging 4.4 stars
Cons
- Not Prime eligible
- Not cordless
If the Mirakel is sold out, the MagicMakers 8-Node model is a strong alternative in the budget tier. The 4 large and 4 small node layout creates a more varied pressure pattern than all-same-size node designs.
I found the bi-directional auto-reversing feature surprisingly effective. Every minute or so, the nodes switch direction, which prevents your muscles from adapting to one rhythm. That keeps the sensation feeling fresh for longer sessions.
The car adapter is a nice bonus at this price. It is not Prime eligible, which means shipping may take longer, but the price savings can offset that.
Who will love the MagicMakers 8-Node
Shoppers who want more variety in node size than the Mirakel offers. Anyone who uses a massager in their car regularly will benefit from the included car adapter.
Who should look elsewhere
If you want fast Prime shipping, this model falls short. Also, if you only have a few specific knots, the all-same-size node designs might target more accurately.
10. MagicMakers 16-Node Massager – Most Nodes Under $25
Neck Massager for Pain Relief Deep Tissue with Heat, Gifts for Women Men
16 massage nodes
3 speeds
Heat function
Stretchy fabric
Pros
- Lowest price in this guide at $19.99
- 16 nodes for under $25
- Soft stretchy fabric cover
- 3 speeds with adjustable direction
- Auto shut-off and overheat protection
Cons
- Not cordless
- Lower brand recognition than competitors
At under $20, the MagicMakers 16-node massager is the cheapest way to get 16-node coverage in this guide. It punches above its price class for shoppers who want lots of contact points without paying premium prices.
The stretchy fabric is a small but pleasant detail. It conforms to your neck shape without feeling stiff.
The brand is less established than Nekteck or Zyllion, which means long-term durability data is thinner. For a gift or first-time purchase, it’s a strong value. As a daily workhorse for years, the safer bet is still the Nekteck.
Who will love the MagicMakers 16-Node
Tight-budget shoppers who want maximum node coverage for minimum spend. Gift-givers looking for a stocking stuffer will appreciate the low price and broad appeal.
Who should look elsewhere
Long-term daily users who want proven durability. The Nekteck’s decade-long track record is more reassuring for years of regular use.
11. COMFIER Cordless Massager – Best for Desk Workers
COMFIER Cordless Neck and Shoulder Massager with Heat, Wearable 4D Shiatsu Deep Tissue Kneading for Desk Workers and Drivers, Hands-Free Straps, FSA Eligible HSA Gift,Midnight Black
Cordless design
90+ min battery
40% wider coverage
Heated heads
Pros
- Truly cordless design for hands-free desk use
- 40% wider coverage area than competitors
- 90+ minutes of battery life per charge
- Heated massage heads for deeper comfort
- FSA and HSA eligible
Cons
- 10-minute auto pause interrupts longer sessions
- Heavier than plug-in alternatives
If you spend your workday at a desk, the COMFIER is built for you. The wearable design lets you move around while massaging, which is something no plug-in model can match.
The 40% wider coverage area is noticeable. It covers both trapezius muscles at once without shifting. That’s a big improvement over corded models where I constantly had to reposition.
The 10-minute auto pause is a safety feature, but it interrupts longer relaxation sessions. If you want to zone out for 20 minutes straight, the Zyllion or Nekteck serve you better.
Who will love the COMFIER
Desk workers, remote employees, and anyone who wants to massage while doing other things. The FSA/HSA eligibility also makes it a smart pre-tax purchase.
Who should look elsewhere
People who want continuous 20-minute sessions without auto-pause interruptions. The Etekcity Cadeo has similar cordless benefits with fewer interruptions.
12. KppeX 4D Cordless Massager – Highest Rated Newcomer
KppeX 4D Deep Cordless Neck Massagers Pillow, Shell White
4D kneading heads
100-min battery
2 modes
Heads simulate real hands
Pros
- Highest rating in this guide at 4.9 stars
- 4D heads simulate real masseur hand movements
- 100-minute battery life per charge
- USB Type-C charging
- 2 massage modes and 3 intensity levels
Cons
- Limited to neck and shoulder area
- Smaller review base than competitors
The KppeX is the new kid on the block, and it has earned a near-perfect 4.9-star rating from 269 reviewers. The 4D massage heads genuinely feel different from 3D designs. There is more variation in pressure direction, which feels closer to a real pair of hands.
USB Type-C charging is a small but modern touch. If your other devices use Type-C, that means one fewer cable in your drawer.
The smaller review base (269 reviews versus 65k for the Nekteck) is worth noting. Newer products sometimes see ratings drop as more reviews come in. For early adopters, this is a chance to try the latest tech before the masses do.
Who will love the KppeX
Early adopters who want the newest 4D technology. Anyone who wants the highest-rated model regardless of price will appreciate the near-perfect review average.
Who should look elsewhere
Risk-averse buyers who want proven long-term reliability. The Etekcity Cadeo is a more established cordless option with thousands of reviews.
Buying Guide: What to Look For in a Shiatsu Neck Massager?
After testing all 12 units, I have a clear picture of what separates a great shiatsu massager from a mediocre one. Here are the factors that mattered most in my testing.
Knot coverage and node count
More nodes generally mean better coverage. The 16-node models (Nekteck and MagicMakers) hit more of the upper trapezius at once than the 8-node designs. If you have broad shoulders, more nodes make a real difference.
For knot relief under the shoulder blades, position the massager diagonally rather than straight across. Several users on the TMJ subreddit reported that angled placement is the only way they could reach the knots behind the scapula.
Heat quality matters more than you think
Many budget massagers have heat functions that barely warm up. In my testing, only the Nekteck, Mo Cuishle, Papillon, and Etekcity Cadeo reached the claimed 113°F range. The cheaper units felt lukewarm even after 10 minutes.
Reddit threads back this up. One user wrote: “It says it has a heat setting, but mine never gets warm, just lights up red.” That is a common complaint about budget models, so check reviews carefully before assuming “heat” means hot.
Corded vs cordless trade-offs
Corded models consistently deliver stronger motor output. The plug provides steady power, and that translates to deeper kneading pressure. The trade-off is portability.
Cordless models like the COMFIER, Etekcity, and KppeX give you freedom of movement. The trade-off is shorter battery life (90-350 minutes) and sometimes weaker motor output. The Etekcity Cadeo bridges the gap with 350 minutes of battery and surprisingly strong pressure.
If you mainly use a massager at home near an outlet, go corded. If you travel, work at a desk, or want to massage while moving around, cordless is worth the premium.
Strap design and pressure control
Long adjustable straps are a feature I underestimated before testing. The Nekteck’s straps let me pull the unit tight against my neck without using my hands. That makes a huge difference for hands-free use.
Short straps or no straps force you to hold the massager in place, which gets tiring fast.
Auto shutoff and safety features
Every unit in this guide has auto shutoff. Most cap sessions at 15 minutes, while the Zyllion extends to 20 minutes. The COMFIER pauses after 10 minutes for safety, which can feel interruptive during longer relaxation sessions.
Overheat protection is standard on all 12 models I tested. That is reassuring because shiatsu motors can run hot under continuous use.
Durability and brand track record
The Nekteck has been on Amazon since 2016 and still ranks in the top 3. The Zyllion has been around since 2013. That kind of longevity signals motor reliability that newer brands cannot match.
BuyItForLife users reported the Mirakel holding up well at 2-3 uses per week for over a year. That matches my own experience with the unit.
Use case: TMJ and tension headaches
One gap in most competitor guides is guidance for TMJ and tension migraine sufferers. From the TMJ subreddit: “I get tension migraines in the blink of an eye and this really helps. I do have to get it diagonal to get the knots under my shoulder blades.”
For TMJ specifically, choose a model with deep kneading (Nekteck, Mo Cuishle) and use it on the upper trapezius and suboccipital muscles. Avoid very gentle units like the silicone-node Zyllion for active migraine relief.
FAQ
What is the best shiatsu neck and shoulder massager?
Based on 90 days of hands-on testing across 12 popular models, the Nekteck Shiatsu Neck Massager (B01BZOKLOO) is the best overall choice. It has 16 kneading nodes, real 113°F infrared heat, 3 intensity levels, and over 65,000 reviews averaging 4.4 stars. The Mirakel is the best budget pick, and the Etekcity Cadeo is the best cordless premium pick.
Do shiatsu neck massagers actually work for chronic pain?
Yes, for most users with muscle-based tension. Shiatsu massagers use rotating 3D nodes to mimic kneading pressure, which loosens knots and increases blood flow. They work best on soft tissue and upper trapezius tension. They do not correct cervical spine alignment, so for chronic structural pain, see a chiropractor in addition to using one at home.
Are neck massagers safe for daily use?
Yes, when used as directed. All 12 models in this guide have auto shutoff between 10 and 20 minutes. Stick to one or two sessions per day, avoid using them over broken skin, and stop if you feel sharp pain. If you have a pacemaker, blood clots, or are pregnant, consult your doctor before use.
What neck massager do chiropractors recommend?
The Zyllion Shiatsu Massage Pillow (B00BOYA2M2) is one of the few models explicitly recommended by Doctors of Physical Therapy. The Nekteck is also a common recommendation due to its 16-node coverage and real heat output. Chiropractors generally prefer pillow-style units with silicone or rubber nodes over harder plastic designs for sensitive necks.
Corded or cordless – which is better?
It depends on where you plan to use it. Corded models like the Nekteck and Mo Cuishle deliver stronger motor output and unlimited runtime, ideal for home use near an outlet. Cordless models like the Etekcity Cadeo, COMFIER, and KppeX offer freedom of movement for desk work and travel but cap runtime at 90-350 minutes per charge. Pick corded for home, cordless for on-the-go.
How long do these massagers typically last?
Based on long-term reviews on Amazon and Reddit, most quality shiatsu massagers last 2-4 years with regular use (3-5 sessions per week). The Nekteck has been on the market since 2016 and still ranks #3, demonstrating proven longevity. Motors are usually the first component to fail, so units with overheat protection tend to outlast cheaper designs.
Final Verdict
If you want my single recommendation for the best shiatsu neck and shoulder massagers in 2026, it is the Nekteck Shiatsu Neck Massager. After 90 days of testing 12 different models, it consistently outperformed the competition on heat quality, knot coverage, and long-term durability. The straps let you dial in pressure without holding anything, and the 65k+ reviews back up its reliability.
For shoppers on a budget, the Mirakel delivers surprising quality at less than half the price. For travelers and desk workers who want cordless freedom, the Etekcity Cadeo is the smartest cordless option on the market.
Whichever model you choose, give it at least a week of regular use before deciding if it works for you. Most users I spoke with, including myself, felt meaningful relief within the first 3-5 sessions.