Watching the video on making "natural" fatwood, I wonder - why is he going to all that rouble. When I needed to make a fire, i always looked around for a semi-rotted pine trunk and pulled out the pine knots. They light right away, even if they have been lying on the ground, burn nice and hot, and take little if any effort. They do tend to soot up the pot a bit, but when you absolutely, positively need to make fire, pine knots are unexcelled.
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Geezer in Chief