These thigh cuffs are made of natural full-grain leather and have nickel-plated furniture. The straight, wide shape makes them versatile and highly functional. The D-rings can be used for attaching carabiners and garters. The thigh cuffs are highly durable, providing worryless comfort during all your restraining experiments with the rest of the items from the UNO 2.0 collection or other attaching accessories.