COMMAND. Made to Play Hard. Heavy-Duty Bicep Binder offers effective restraint. Versatile design secures biceps firmly from behind or in front. The Heavy-Duty Bicep Binder wraps each bicep with the thick, durable industrial-strength nylon straps which include fully adjustable stainless steel lock rings, allowing for a controlled, custom fit every time. Who is in COMMAND? Sir Richard's COMMAND Collection is for serious BDSM connoisseurs who demand the best. COMMAND components are forged from stainless steel and solid rivets, allowing for extreme fetish play and fulfilled fantasies without boundaries. The Heavy-Duty Bicep Binder is interchangeable with other COMMAND products for optimum versatility and enjoyment. Phthalates Free. Material: Stainless Steel and Nylon.