The German Airbrush Loner Spike Novelty Helmet Gives You that Great Look. The Loner Spike Novelty Helmet Contains the Following: (A) Metal Quick Release Buckle. (B)"Y" Strap Retention System for a Secure Fit. (C)4 Ply Fiberglass Shell with Hand Lamination. (D)Fully Lined Liner. (E) Steel Rivets. (F)Your Choice of Either a 4 Inch or 3 Inch Steel Spike. (G)This is NOT A D.O.T Certified Helmet. (H) Allow Three Weeks for Custom Manufacturing.