Ankle/Wrist Straps:These adjustable straps can be used to attach cables or bands to your ankles or wrists.The nylon band is durable, while the metal D-RING reduces stress, wear and tear.They're compatible with standard cable systems, resistance trainers, functional trainers, and more.Door Mount:This door attachment will work with any door and can be used and removed easily. It's made from thick nylon webbing--made to endure the wear and tear of a workout.The soft yet dense foam bumper wheel on the anchor will help prevent marks on your door. The open loop end of the anchor will hold flat or cable style exercise bands securely.