It works like a moving strap or tie down harness. You put it around the door and tighten it up. It then has an assortment of loops to either put your
Resistance Bands for Physical Therapy, Multi Point Door Anchor Strap for Home Gym Workout, Bands with Handles for Recovery, Stretch, Fitness, Door
Fitness Dreamer 11 Piece Set Multifunction Resistance Bands with
Long Pull-Up Resistance Bands, Door Anchor + Handles, Set of 10
WODFitters Resistance Bands Door Anchor
Long Pull-Up Resistance Bands, Door Anchor + Handles, Set of 10
Resistance Band Door Anchor - Single
Resistance Exercise Band Set
Pull Handles for Resistance Bands with Door Anchor
Resistance Bands Pull Handles Set Foam Door Anchor Fitness