I was wondering if anyone knew the origins of the modern thumb palm, someone told me Downs invented it. However in Modern Coin Manipulation the thumb palm he uses looks quite different than the more familiar method.

I might have accidentally anwsered your question here:

http://www.themagiccafe.com/forums/viewt......69&4

(you'll have to scroll down a bit)

Or in the next post, re: "Downs Palm". If not, maybe you could elaborate a bit upon return?