Professor Patel, and it worked really well. I also used the following video: http://www.youtube.com/watch?v=1JE8WduJKV4 And here's another: http://www.youtube.com/watch?v=6-izelfgxmw Warning, this one is really old (1940's) and a bit long. But I really like parts of it. Enjoy On Jan 29, 2013, at 1:36 PM, Aniruddh Patel <apatel@xxxxxxx> wrote: Dear Colleagues, Sunil Puria, PhD Stanford University Depts. of ME & OHNS OtoBiomechanics Group |