Guard Dog Security, the worlds most innovative personal security brand, presents the first and only self defense and emergency survival tool in a keychain ready design, the Harm & Hammer. Packing a powerful dual combo punch, the Harm & Hammer utilizes red pepper spray with the leverage of a built-in steel-point emergency glass-break hammer. Harm any potential assailant with maximum distance defense by temporarily immobilizing them in the event of use. Hammer with a swift removal of the keychain to effortlessly shatter glass in the event you are forced to escape water flooding or fire in a car, home or office setting. tilize with the peace of mind deserved with Guard Dogs industry-exclusive Protected 4 Life program, replacing your pepper spray for free in the event of use.