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A '''squat candle''' is an improvised stove/lamp which is very simple and remarkably effective for cooking, lighting and heating.

To make one, first make an “X” or loose spiral of cardboard just slightly shorter than the height of a metal can. It's best to then drip molten wax all over the cardboard so that it gets partially absorbed and coats some of it. Then slide the cardboard into the can, and fill in the gaps with small pieces of wax. Once there's some wax in it, you can light the cardboard and aggressively “feed” the squat candle wax chunks until it gets a good reservoir in the bottom. When using it, it's good to feed it from time to time, but even unfed a decent squat candle will burn for hours.