So jelly

Ambidextrous drawing

[video=youtube;bAbigl7P3KU]http://www.youtube.com/watch?v=bAbigl7P3KU[/video]

I wouldnt call that ambidextrous drawing. I have no idea what this person was doing when they had two pencils in hand. Given that most shading and stuff was done one handed, its not ambidextrous. That said, Im wondering how the two pencils helped with the outline.