1. Ankle Straps are uniquely designed for Lower Body Exercises by Maximizing your lower body exercises focusing on Glutes, Hamstrings and Butt.2.The D-Ring Design & Extra strap: Uniquely Designed with 2 Strong metal welded D ring meet the requirements of a variety actions. Extra strap under your feet helps to optimize your foots stability to achieve maximum glute activation per rep.3.Fully Adjustable :Features a secure High Grade Nylon Hook and Loop Strap to loosen or tighten the cuffs and secure the weights. These ankle straps are very easy to put on and adjust to your desired fit.4.Versatile Exercise Routines: Perfect for Leg Extensions, Leg Curls, and Hip Abductors. Used with Cable Systems, Resistance trainers, Functional Trainer etc..5.GET YOUR LOWER BODY IN THE BEST SHAPE YET: Our glutes kickback straps are perfect for most types of leg shaping and toning exercises. Get your calf muscles, quads, glutes and hamstrings looking amazing with this essential fitness accessory!