Our Daytona Quick Connect Lock, Meets And Exceeds D.O.T. Safety Standards FMVSS 218.  It Can Be Added Onto Any Helmet.  It Comes With Four Additional Interchangeable 3-D Lock Bodies.  The Quick Connect Lock Is Made Of Tempered Steel And High Impact Nylon.  It’s Unique Metal To Metal Design Optimizing Maximum Strength While Eliminating Accidental Openings.