Special flour to make ones anal area non-sticky.
While stimulating someones anus it can occur that the anal area, in particular the anus it self, can get glutinous. This causes the skin of the receiving part to stick to the skin of the active part. Anus-flour can help in this regard, presupposed it is worked into the dough correctly.
Carl:"Man Lisa i really like eating your ass, but your skin gets stuck on my tongue all the time."
Lisa:"No problem Carl I have some anus-flour with me."
Carl:"Thank you Lisa! This will assure that we both can enjoy our sexuality."
Lisa:"Yeah! But just make sure to work it into the dough correctly."