Keep your submissive in-line and in your control with this Thick Stainless Steel Locking Collar. The durable and heavy steel will remain firmly around your submissive's neck, keeping them in place and on a leash if you prefer. The collar opens and locks with a stainless steel allen screw, an allen key is supplied. The collar has one O-rings for attachment to leashes, chains, ties or other bondage gear. Attach a leash to the collar and lead your sub around making them follow all of your commands.