finger or tongue then.

( Captain Wow too old to lose it, too young to choose it, Fri 28 Mar 2008, 16:06, archived)

They might understand that.
I find you can get good results with either, but yes, tongue is preferred.
( my other username is a porsche , posting shit pictures so you don't have to, Fri 28 Mar 2008, 16:08, archived)