??? Multi-Level Magic Back Stretcher, Lumbar Support Spine Waist Pain Relax Fitness Tool, Lower and Upper Back Massage Tool ??? If your spine is not balanced, you will inevitably have problems in your back, your neck, your shoulders and even your jointsBack stretcher is specially designed to improve posture and relieve back pressure. Restore the natural curvature of the backRelieve muscle pain and stress, Back Pain Reliever.??? 3 different level settings??? Level 1 is lowProvide the minimum amount of stretch for beginners.??? Level 2 medium strengthProvide a greater extension for advanced users.??? Level 3 strength Provide the largest extension for advanced users. You can adjust the level to your size and treatment needs. Use the device 1-2 times a day for 5 minutes each time to stretch the back muscles and restore the natural curvature of the spine.??? Powerful Functions ???? Restore the healthy curve? Relieve the ache of the waist and back muscles? Correct the sitting position and say goodbye to hunchback? Stretch your back and relieve stress? Let the spinal return to the natural lines and correct postural imbalances??? Features ????  convenient at-home back pain treatment and preventative care product for people of all ages? Tough and thick hi-tech ABS plastic for long durability? Unique design according to human body's physiological curve of the spine, better eliminate the source of back pain? Multi-level adjustments: 3 different height level stretching arch, choose the suitable level for your body and exercise your back in a healthy way? Greatly help to relieve chronic back pain and correct postural imbalance, restore the natural curvature and improve flexibility in shoulder and back muscles? Use as daily traction therapy: thumb tip nodes on product surface like massage, stimulate the back points and promote blood circulation? Simple and easy to install and use, lightweight and portable to use in travel, at home or office Direction: Comes in separate parts. Assembly required Please start stretching slowly to prevent muscles excessive pain Please stop if you feel uncomfortable and consult your doctor