I hope you never have to use it but this is an all-in-one lifesaving tool that you must carry for that added feeling of safety for yourself and for your loved ones riding with you. The tool is equipped with a window ice scraper, seat belt cutter, window breaker, hex bit drivers and a ruler. It can also be used as a self-defense tool if worse comes to worst. The tool can be conveniently stored behind the visor. It will cost you just under $20.