Engineered specifically for PWCs, hinges in the center to protect PWC from docks designed for bigger boats. Hooks under the rub rail with a molded acetyl hook integrated into the back of the fender. Connect the top of the fender to a cleat or ski eye with the adjustable strap and vinyl dipped steel hook provided. Or thread the strap though the rubber block provided and place it inside the PWC’s storage compartment. Recommended 2 fenders per PWC.