Chewing Gum and a battery can be used Fire Starter - Use the foil-backed wrapper to short circuit an AA battery and create a flame. First, tear the wrapper into an hourglass shape and touch the foil to the positive and negative battery terminals. The electrical current will briefly cause the paper wrapper to ignite. Use the flame to light a candle or tinder.
DIY Gas Mask: And from the winners of the occupy movement - the homemade gas mask. Interesting. OF course their main concern was tear gas - but this does have #prepping applications. #survival #preppers