I'm watching the Survivorman episode where he heads from a Costa Rican beach into the jungle and finds it miserable. It is so impressive that he was able to start a fire using a friction bow drill. That is something I've never leaned to do ... but think it would be nice to learn.

When I was a kid my brother had a Boy Scout version - pre-made, but I'd rather know how to do it from scratch.

Any advice on how to learn?