- Featuring double reinforced D-rings, easy to connect to cable machines and helps you tone your glutes in maximum comfort! - Neoprene padding makes the ankle strap the safest and most comfortable. - Adjustable. The strap allows you to loosen or tighten the cuffs and secure the weights. Easy to put on and adjust to your desired fit. - Compatible with standard cable systems, resistance trainers, functional trainers, and more; great for leg extension, leg curl, hip abductors and all your favorite leg day routines.