WITH EXTRA FOOT STRAP-- The added extra band can be put under your foot to prevent the ankle straps moving and provide extra stability for your foot. D-RING DESIGN-- It's uniquely designed with 3 strong metal welded "D" ring attaches easily to cable machines and resistance trainers and ensures secure closure design while workout. FULLY ADJUSTABLE-- With durable nylon fastening tape design, elastic adjustable, strong paste.These ankle straps are very easy to put on and can tight or loose as you want. COMFORT TO USE-- Designed with thicken and soft added cuffs which adds comfort, which makes you work out with ease without getting hurt or experiencing any discomfort. FIT FOR LOWER BODY EXERCISES-- Used for lower body exercises by maximizing your lower body exercises focusing on leg and butt. Perfect for leg extensions, leg curls,hip abductors, used with cable systems, resistance trainers.