Xtremeauto AA Safety Hammer. Key Features Of the AA Safety Hammer & Seatbelt Cutter. The AA Emergency Car Hammer is an essential item for your car, giving you peace of mind that you can escape from your vehicle should the need arise. In an emergency situation every second can be vital and the glass hammer with seatbelt cutting tool can be used to shatter windscreen glass with ease and cut through a seatbelt in seconds. The emergency hammer comes complete with a holder to secure it to your vehicle or can be mounted to the floor so that it is easily accessible. Features: Glass hammer, Seat belt cutter, Holder to secure to vehicle, Can be mounted to the floor of your vehicle - screws provided. Package Includes: X1 Safety Hammer.