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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.
HOW TO MAKE ENDLESS HOT WATER WITHOUT ELECTRICITY Using some recycled parts, a small rocket stove and coiled copper piping, you can heat and pump all the hot water you will ever need without electricity. This ingenious technique utilizes thermal siphon pumping to move the freshly heated water into the reservoir.
This is the ATAX multi-purpose survival axe. It's unbelievably useful in the Zombiepocalypse. You can attach a rubber band to it to make a slingshot. You can use it as a hammer. The teardrop shape is for gripping and turning nuts. It can be attached at the hip for a quick draw release. Seriously this is the best (small) zombie-killing axe I have seen.