BudK Night Watchman Sap Cap Extreme
This standard baseball cap is one the most simple, least noticeable, and efficient personal defense items on the market.  The secret of this hat is a pocket of unique impact material that is 100% the density of lead and which is sewn into the cap.  Simply use the bill as the handle and the cap becomes an instant impact weapon to be used against a threat.  Simple, fast, and effective!  The cap includes Velcro adjustment to fit all sizes.