http://www.motherearthnews.com/DIY/1984-03-01/Make-It-and-Take-It-Hobo-Stove.aspx

A coffee can with some holes in the top and bottom seems to work about as effectively, weighs maybe half as much, costs nothing. it does produce smoke, it doesn't produce charcoal, and I would not be inclined to walk away from it, but I am unclear as to the value of these latter features.
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Dance like you have never been hurt, work like no one is watching,love like you don't need the money.