They are used to adjust the tightness of the belt, making a very effective double pull tightening system. They also help to remove the gap of air between your back and the neoprene material, this enhances stability around the lower back area.
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1Piece Wrist Support Gloves Fitness Pull-up Assist Belt Pull-up Wrist Grip Belt Push-pull Back Auxiliary Horizontal Bar
Aliexpress UK
Ideal for lower back pain relief and discomfort, Muscular Weakness, strong spinal support and muscles of the lower back. Unique design soft foam pad for Spinal Support which gives a massage feeling to spine and lower back.
eBay
Weightlifting Leather Belt Fitness Training Waist Brace Belt Lumbar Protector Squats Deadlift BodyBuilding Gym Back Support
Aliexpress UK
Ideal for lower back Pain, Abdominal Hernia support. Large Velcro fastening to adjust compression. Touch and close Velcro fastener it makes application removal quick and easy.
eBay
Fitness Pull-up Assist Belt Male Pull-up Wrist Grip Belt Wrist Support Gloves Bench Push-pull Back Auxiliary Horizontal Bar
Aliexpress UK
Ideal for Umbilical Hernia, Muscular weakness. This height is suitable for most adults. Large Velcro fastening to adjust compression. Non Slip design from inside for best results. High Quality unisex ventilated Elastic with fully bound edges and soft padded foam front panel.
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Weight Lifting Belt, Comfortable Lumbar & Back Support, Keep Body in Proper Shape, Gym Belt for Squats, Deadlift, Cross Training
Aliexpress UK
Made from durable polyester in sleek black, this adjustable belt fits adults of all ages and is perfect for weight lifting, gym workouts, and daily activities that put strain on your lower back.
eBay
Cowhide Belt Fitness Powerlifting Weightlifting Belts Deadlift Squats Waist Protection Crossfit Strength Training Back Support
Aliexpress UK
Relief waist muscles ache, disc herniation, sciatica, scoliosis etc when wearing the back belt. It also supports your back when you're lifting heavy objects, and the double-layer design and adjustable compression creates a custom fit.
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1pcs Weight Lifting Belts for Men and Women - Weight Lifting Core & Lower Back Support Workout Waist Belt for Weightlifting
Aliexpress UK
By keeping the back in its natural upright position, the Neoprene Double Pull Lumbar Brace reduces strain and minimises pain. Adjusting the belt to the perfect level of compression is made easy with the Double Pull elasticated straps, they provide additional stability and support where you need it most. Provides support, compression, and warmth (by trapping your own body heat) to the lower back while still being flexible enough to allow freedom of movement. Making this belt comfortable to wear for long periods of time. Provides relief from many types of back problems both nerve and muscular. Can be used for the treatment of conditions such as: degenerative disc disease, arthritis, slipped disc (herniated disc), acute back pain, lumbar spinal stenosis, muscle spasms, etc. Wearing this belt.
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Weightlifting Waist Belt Soft Leather Fitness Waist Belt Squat Deadlift Powerlifting Back Support Core Guard for Gym Training
Aliexpress UK
👍 LIGHTWEIGHT, BREATHABLE AND LOW MAINTENANCE: BraceUP back belt brace is made of lightweight but super durable materials. Besides, our brace is super easy to wash and clean. These stays hold in place snugly against your back, without adding unnecessary compression or resistance.
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AOLIKES Fitness Weight Lifting Belt Barbell Dumbbel Training Back Support Weightlifting Belt Gym Squat Dip Powerlifting Waist
Aliexpress UK