prefer newly-released adjustable back stretcher
Used a couple times, like recent. BlackRelieves Back Pain & Improves Posture - Our back stretcher provides physical stretching and back support for your back, effective for low back pain relief, spine decompression, back decompression, posture correction, back stretching, scoliosis and spinal realignment. Upgraded Ergonomic Design Structure - Our back stretcher design increases the back contact area, the ergonomic design safely supports your back, through deep pressing on 114 contacts can massage the waist points specific acupoints and promote circulation, helping you to relax the tension in the lumbar and back and relieve those aching muscles.Adjustable Back Support - Our back cracking device can be set to 3 different level angles. The higher the arch, the more of a stretch you receive. It is ideal for sciatica pain and lower back pain relief. Lie down and relax for 5 - 10 minutes each time, twice a day. The Spine board is equipped with an EVA silky mat, which can provide cushioning