Description Description Use time: Nylon weaving design and production, about 1.5 hours a day for the first two weeks, mainly to adapt to the legs, learn habits, and gradually tighten the strength. After adaptation, about 2 hours a day, not less than 30 minutes each time. The effect will appear gradually, and the treatment cycle is 2-3 months; Principle: airbag acceleration, physical traction, two-way airbag compression, physical traction at both ends of the leg, moderate force. Removable: The long aluminum strips are built on both sides to fit the contour of the legs, and the power is concentrated on both sides of the legs; the aluminum plate supports, which can be removed; 3 in 1: Full coverage - thigh strap, knee strap, calf strap, widened and thickened, no replacement, large contact area, full coverage.