Feature: 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, firming buttocks. Girls can use this exercise to have thin arms, breast enlargement, thin waist, abdomen, lifting leg lines, firming buttocks.