Every SO often a product is released that makes people SAY. “WHY didn’t I think of that?” a NEW product on Amazon certainly fits that description. It’s the SELF-DEFENSE lanyard by hayes innovations. AT 7 inches long. It attaches to a KEYCHAIN to create a personal safety weapon much like a flail. Its creation was inspired by paratroopers WHO often attach to their keys the QUICK-RELEASE lanyard that lowers the rucksack during airborne operations. The developer. Responsible for the safety of americans overseas. Was struggling to find a solution to the constant threat of robbery and attack to westerners in crowded African markets. Since it was impractical for people to carry a club with them AT ALL times. It occurred to HIM that a KEYCHAIN with its substantial weight and multiple cutting edges suspended from a strap could deliver a solid IMPACT YET BE carried inconspicuously.