I saw this on one of Osterlinds early videos, I can't remember which one exactly, but I love this demonstration, 
enjoy guys , and is there anything you'd like to add so I could improve my future performance? I know that camera is a bit crazy, but its a slightly older video, (excuses)
http://vimeo.com/97806361
enjoy guys , and is there anything you'd like to add so I could improve my future performance? I know that camera is a bit crazy, but its a slightly older video, (excuses) http://vimeo.com/97806361