I think it depends.
If your tea is in a mug, the finger must be in, but from a proper tea cup the little finger just HAS to be extended.
(
goat thinks you're shit,
Thu 12 Jun 2003, 19:46,
archived)
.
so what about from a pint glass?
(
fatty biscuits,
Fri 13 Jun 2003, 1:36,
archived)