The lanyard has a key to fit Mercury motors. Manufactured from marine grade webbing, neoprene, and hook & loop fasteners for strength, safety, and dependability. These wrist straps will remain secure during the harshest riding including tricks and racing. The wrist strap attaches easily to any clip lanyard and gives the user a sense of security that they are looking for. The wrist strap comes as shown with the DTLgear logo. Always follow the user instructions and manual for all products.