PAIN RELIEF & CORRECT POSTURE - The back stretcher has 88 massage acupuncture points that can be used for acupuncture when deeply pressed onto certain parts. This can help to relax tight muscles, reduce chronic back pain and correct posture disorders.NATURAL TRACTION THERAPY - It is a home therapy for herniated discs, sciatica, spinal stenosis, degeneration, knots, hyperflexion etc!ADJUSTABLE DESIGN: The back massage carrier has 3 adjustable settings that are suitable for all ages. You can attach this back carrier device at the most comfortable level to stretch pain easily and effectively.High quality and durability: the back trainer is made of durable and environmentally friendly ABS material, which can withstand 300 pounds pressure and will not be damaged during prolonged use.