Features Multi-functional exercise, you can exercise your waist, abdomen, legs, arms, shoulders, etc. Adjust the length of the tension rope to achieve 5 different strength exercises Training at home, office, outdoors. EVA cushion, comfortable and protect your knees. Ten minutes a day, step by step let you change. Boys can use this exercise to have eight-pack abs, arm muscle lines, latissimus dorsi, firm buttocks. Girls can use this exercise to have thin arms, breast enlargement, thin waist, abdomen, lifting leg lines, firming buttocks.