Have you ever wondered how many bones are in your fingers? There has to be like a million.
Compass: Depending where you are for your polar expedition - the Poles could make for a trippy compass reading - this is a must. There are not many road signs to guide you along the way.
The 'brief safe' is a disguised safe that no one would ever touch because they look like poop-stained underwear. Or, you could just put your money in the bank, but that's such a silly idea no one would ever do that.