See Nigel North. "I've never seen any modern player do real "thumb-out" technique. Most people, even the big guys, do as Jan does in the video: a sort of "half thumb" that is neither in or out, but is more closely related to thumb-under in terms of technique and tone." --
To get on or off this list see list information at http://www.cs.dartmouth.edu/~wbc/lute-admin/index.html
