Lumbar Relaxer Lumbar Stretch Massage Relaxation Spine Correction Extension Assisted Lumbar Backrest Features: Refreshing - Neck and Back Stretcher - Years of hard work, prolonged sitting, and poor posture application can cause pain in your intervertebral disc compression, curved stretching, supporting the spine, physical traction, and relieving lower back pain steps - just lie on the waist soothing device for 10 minutes every day to gradually solve the cause of your discomfort and the painful neck and back pain at home Neck and back stretchers - This can reduce the destructive tension caused by squeezing pain, giving your back and face a , smile. Back and neck stretcher corrector - Refreshes the optimal curvature for natural recovery of the spine and retrains muscles to maintain a posture, thereby eliminating pressure on important parts of the trunk Easy to use - the back stretcher can be used on the floor, bed, or chair to further injury and correct posture Product Description: 1X correction back Years of hard work, prolonged sitting, and poor posture application can cause pain in your intervertebral disc compression, curved stretching, supporting the spine, physical traction, and relieving lower back pain just lie on the waist soothing device for 10 minutes every day to gradually solve the cause of your discomfort and the painful neck and back pain at home This can reduce the destructive tension caused by squeezing pain, giving your back and face a , smile. Refreshes the optimal curvature for natural recovery of the spine and retrains muscles to maintain a posture, thereby eliminating pressure on important parts of the trunk Easy to use - the back stretcher can be used on the floor, bed, or chair to further injury and correct posture