The BodyGard from Vat19 "is the Rolls-Royce of keychain emergency tools." Featuring a seat belt cutter, door glass breaker, sonic alarm, led flashlight, and distress flasher. Available now, priced at $19.95. Product page. Video after the break.
Frankly, there's no point in having a tool like the BodyGard if you can't use it quickly and easily in the case of an emergency. The BodyGard is designed to quickly detach from your keychain.[via Vat19]
