9 Motorcycle helmets and structural parts therefor and accessories, namely, visors, protective padding, stabilizers, air intake vents, protective face shields; auto racing helmets and structural parts therefor and accessories, namely, visors, protective padding, stabilizers, air intake vents, protective face shields; protective helmets and structural parts therefor and accessories, namely, visors, protective padding, stabilizers, air intake vents, protective face shields; motorcycle racing helmets and structural parts therefor and accessories, namely, visors, protective padding, stabilizers, air intake vents, protective face shields; automobile racing helmets and structural parts therefor and accessories, namely, visors, protective padding, stabilizers, air intake vents, protective face shields; protective helmets for sports and structural parts therefor and accessories, namely, visors, protective padding, stabilizers, air intake vents, protective face shields