Safe stretching method, no need to worry about the insecurity and the risk of strain when assisted by others Multi-ring buckle design, helps stretch and extend posture stay time, assists in all kinds of difficult stretching and relaxation exercises Can carry out a variety of ...Safe stretching method, no need to worry about the insecurity and the risk of strain when assisted by others Multi-ring buckle design, helps stretch and extend posture stay time, assists in all kinds of difficult stretching and relaxation exercises Can carry out a variety of stretching training methods, meet the training requirements of different groups of people. Helps maintain good joint mobility, relieve spasms, and promote motor function recovery. Can also be used as a yoga stretch belt to help you shape a slim body.