Attach to any cable pulley machine or interchangeable tubing system to perform variety of resistive leg exercises. Features extra padding, reinforced D-Ring stitching, and easy on/off open-end double ring closure. Ideal for all leg resistance applications and strengthening of hips, thighs and buttocks.Fits securely around your ankle with extra padding for superior comfort. The open-end double ring closure ensures easy on-off and leg-to-leg switching