Upgraded Magnetic Therapy Design: The massage points on the back traction surface are designed to perfectly fit your back acupuncture points and provide you with a comfortable physical massage. The magnets embedded in the massage points form a micro magnetic field in the back, which can promote blood circulation in the neck, relieve back pain and neck muscle pressure, and help relieve fatigue.Back Pain Relief: Our back stretcher with acupressure provides physical stretching, acupuncture massage and back support for your back, effective for low back pain relief, neck spine decompression, scoliosis and spinal realignment. with roller massager most effective therapy tools, it can be easily used to massage the arms, legs, thighs, buttocks, waist, abdomen and eliminate cellulite and lymphatic detoxification.Multi-level Adjustable Back Support: Back cracking device can be set to 3 different angles; 30 degrees, 35 degrees, or 40 degrees. The higher the arch, the more of a stretch you receive. Ideal for sciatica pain and lower back pain relief. Lie down and relax for 5 - 10 minutes each time, twice a day. Use concave strong traction to help restore the neck curve after adaptation.Back Stretching in Any Occasion: Spine stretcher is made of environmentally friendly high-strength PP plastic and will not break and collapse in long-life use. Our lower back stretcher is designed to withhold a maximum of 400 pounds. This spine deck is lightweight and portable. It's convenient to use at home, in the car, in the gym, on a yoga mat, or in an office chair.Perfect Gift: Back Cracker is the best gift to treat yourself, eliminate fatigue and muscle soreness after work, and live a healthy and active life. It is also the ideal gift for wife, husband, parents, friends and teachers on Mother's Day, Valentine's Day and Christmas.Note1. Use the waist lifter 1-2 times a day, and control the time of each use for about 5-10 minutes.2. Improving posture or back stretching may cause temporary discomfort.3. If you have recently had surgery or have had a back injury, be sure to consult your doctor before using this product.Specifications:Applicable people: unisex adultApplicable parts: head, neck, waist, hip, leg, backApplicable scenarios: fitness equipment, health massage, fitness and body shapingPacking List1 Back Massage Stretcher1 x Roller massager