1pc back stretch equipment massager magic stretcher fitness lumbar support relaxation spine pain relief corrector health care ly191203

stretch equipment back massager magic stretcher fitness lumbar support relaxation mate spinal pain relieve spine corrector product description: this product relies on the principle of arc stretching, can help you solve the waist pain, fatigue, waist weakness, waist stiffness, lumbar discomfortproblems, extend your waist muscle lines. features: the 3 gear can be adjusted, and the back bow angle can be adjusted according to needs, so as to suit waist exercise needs. simulation finger massa...