Meet the Ztylus Stinger: an emergency escape tool that lets you cut a seat belt or break a window when in trouble. It also comes with dual 2.4A USB ports to charge your favorite gadgets in your car. Its spring loaded window punch helps you escape your vehicle quickly.
The device has a sharp blade to cut seatbelts. It is compact enough to fit on your keychain or stored in a the trunk of your car.[where to get it]