They sell these (with seat-belt cutters) for $5-10. Billed as a way to get out of a car that is sinking into a body of water (does this happen to more than a co

They sell these (with seat-belt cutters) for $5-10. Billed as a way to get out of a car that is sinking into a body of water (does this happen to more than a couple of people a year?). Alternatively, if you are in a cab/uber that locks the doors and traps you inside. Or if you just want to break into some cars.