xkcd
says
Wait a minute. If I'm escaping from a submarine at 50 meters, then I'll *definitely* need a flashlight to find air pockets for gradual
decompression on the way up. Time to start shopping professional dive lights.
It could happen!
That is seriously how I shop for everything I buy.
uh-huh! why go for the worse? go for the better product! 
Hahaha
nearly didn't survive Boy Scouts, as their motto is "Be Prepared." My backpack weighed 312 pounds and I was always late to set up camp! 
reeko
has
been a boyscout. it was rough
HAHAHAHAHAHA
my pants tend to weigh about 8 pounds...
Tanarian
has
*two* Leathermans.
(Leathermen? No, bad word idea.)
Leatherpants?
carry a glowstick just to be safe?
The absolute pressure at 20 meters crushes & activates the damn glowstick early!
nuh uh! didn't you watch the movie with the deep sea divers and the alien water manipulators?
[thought] those were special Navy glowsticks.
they weren't navy, they were yellow! 
(Actually, iirc, it was a flare anyway, not a glowstick. But that takes away from teh funneh.)