The Strict Leather Deluxe Leather Locking Thigh Cuffs are used to provide additional restraint where needed. They can be used to attach wrist cuffs, ankle cuffs, or to anything else. These are high quality leather restraints. Thigh cuff circumference: 15 to 23 inches Warning: This is a NEW item that is not in retail packaging, usually a plain box, wrapped in plastic or a poly bag.