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.
Mors Kochanski Super Shelter! Arguably the most brilliant primitive survival shelter design for cold weather! Reflects heat from fire down onto resident and traps warmth behind plastic sheeting like a green house! -20 F outside but 70 F inside!!! Amazing!!!