Here are the videos where I got the idea, this guy is supposedly famous or some shit i dunno. Maybe you might find this interesting being a barber yourself. Supposedly this guy has a guinness record or some shit , that he can do the fastest haircuts etc.

Skip guard technique.
http://www.youtube.com/watch?v=uh93hUCWHA4

Fade technique
http://www.youtube.com/user/clipperguysa...1CCHAOvB3s

I basically thought of combining the two.