COMMAND. Made to Play Hard. Master your urges with Sir Richard's Harness with Hollow Strap-On. With a full 8â   of fulfillment, this dominating harness set includes an impressive hollow strap-on held securely in place by a thick, durable industrial-strength nylon strap harness. The Heavy-Duty Harness features 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. The strategic V-Ring design offers further control and lessens slippage associated with average O-Rings. The Harness with Hollow Strap-On is compatible with other products in the COMMAND Collection for optimum versatility and unparalleled sensory experiences. Phthalates Free. Material: Stainless Steel and Nylon.