Quote:
Originally Posted by fittmann
Before you rush out and spend money for this, I saw a show on Discovery (Mythbusters, I think) where they tested this "Lifehammer" and found that: 1. assuming you aren't knocked silly/semi-concious by the force of the accident, and 2. that you could even find the tool, that it was not heavy enough to break a window from inside the car. Seems as though a cheap hammer could be just as (potentially) effective, though not as pretty! Just my $0.02 worth. 
VBP Sport 5MT |
You can open a window in a submerged car by attempting to break the window using a window-breaking hammer.
confirmed
The device is designed with a pointed tip designed to shatter tempered glass. The hammer breaks the window on the first try.
You can open a window in a submerged car by attempting to break the window using a spring-loaded center punch.
confirmed
The point of the punch can work like the tip of the hammer, and punches are sold for the purpose of breaking window glass. The punch breaks the window on the first try.
MythBusters Episode 71: "Underwater Car"