Just saw this mentioned on Bushcraft USA and thought it worth a look
[video=youtube;CjMNCCEwv0g]http://www.youtube.com/watch?v=CjMNCCEwv0g&feature=player_embedded[/video]
[video=youtube;CjMNCCEwv0g]http://www.youtube.com/watch?v=CjMNCCEwv0g&feature=player_embedded[/video]