Could we consider that the wide-brimmed hat effect would be similar to cupping the ears with both hands?
IMHO hands are more effective, but extremely difficult in practice! A Mickey Mouse idea...and who thought of this anyway?! Best Wishes Ron (in a dull, dark and damp UK) To get on or off this list see list information at http://www.cs.dartmouth.edu/~wbc/lute-admin/index.html
