"It's so old school they were doing this **** before there was school"
You may hate or love this, about 9 vids on how to make and use a bow drill on google, been there for some time now but still worth a mention here.
select 'from user' for the complete set
(1st vid currently down)
I still get a laugh every time i seem them.
Thanks to http://www.backyardbushcraft.co.uk/ for the links