What would you do if....... You were trapped in a rolled over vehicle, or in a car submerged in water? This ingenious device is intended to be placed with your car keys. It contains a spring loaded stainless steel pin that will break any tempered glass window* and a stainless steel blade for cutting seatbelts. The break apart design allows the RES-Q-ME to be quickly removed from its storage location without removing the keys from the ignition. Ship. wt. 1 lb.