Decided this was the best place to post this link on a native Semelai making a fire piston using a machette/parang and a screwdriver.
For those of you that have ever tried to make a fire piston.....you will know how much of a challenge it is to get it right (even with power tools). Check the vid out...
Part 1
http://www.youtube.com/watch?v=5NKq4...e=channel_page
Part 2
http://www.youtube.com/watch?v=yK2yq...feature=relmfu