Goggle retention clips for protective helmets; Lenses for welding helmets; Motorcycle goggles; Motorcycle helmet face shields; Motorcycle helmet visors; Motorcycle helmets; Optical devices, namely, eye pieces for helmet mounted displays; Protective sports helmet accessories that attach to the helmets, namely, mouth guards, ear pads, throat protectors, chin straps, face masks, jaw pads and eye shields; Visors for helmets; Visors for protective, football helmets