Quickest way to sharpen a drill

In my workshop it is important for me to get all my jobs done quickly as i can get back to supervising my 25 or so students and the ones waiting don't get bored and become sidetracked. Keep the students busy is my motto for happy teaching. This is one technique which helps keep my class flowing hope it can help you too.Cut to 2:30 for the action or to the end for some helpful drawings.

Видео Quickest way to sharpen a drill канала Luke Dicker