Condom

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Condom

Believe it or not, you could use a condom to hold up to a gallon of water -- enough to keep you alive for a full day.

iStockphoto/Thinkstock

Before discounting this idea as a pathetic and salacious attempt to grab attention, hear it out. In any sort of survival situation, drinking water is a must. And the reality is, even if you are fortunate enough to actually find life-saving water, you still might need a way to transport it. That's where a condom comes in. According to Cody Lundin, author of the survival book "98.6 Degrees," a condom can easily hold up to a gallon of water -- enough to keep you alive for a full day -- without getting overstretched [source: Lundin]. It also has the very important benefit of being small and easy to carry around when not filled with life-sustaining liquids. Still, Lundin points out that it can be tricky actually filling a condom with water when you can't hook it straight up to a kitchen nozzle. In order to better your chances when dealing with a standing source of water, like a puddle or a pond, Lundin says that it's best to stretch out the neck of the condom. Ever versatile, condoms can also be used to keep other life saving items dry, like matches.

Think a cell phone has no place in the wilderness? Think again.

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