For people with stiff backs and tight shoulder muscles, the yoga wheel is indeed a useful auxiliary tool when practicing backbending. When used to support the back, it can effectively strengthen the stretching of the chest and lung muscles and lumbar muscles. Avoid the pressure on the lumbar spine brought by general backbends, so after using the yoga wheel to assist backbends, you will generally feel that your back pain has improved, and you will feel comfortable and refreshed. Free shipping on orders over $280.