Most of us will never have to use a soup can as a gas mask, therefore there's no reason to learn how to. You'll be glad you have a copy of Survival Hacks on hand in case you ever need to build a fire with a can of tuna and a bottle of vodka, or fashion a fishing hook out of the glittering pieces on your Visa card. The Seattle Times. Elevate everyday items to the level of absolute necessity! Would you be prepared to live in the wilderness?...