Since Homework Assignments 1-3 are still open I thought this little snippet was inspirational. Fellatio may not be just for fun (then again it might be).
Fellatio in Bats
A research oriented blog for the FanFic Tilt by Lambcullen. Wherein we will be exploring the cards in the Sex Deck with our respective partners and reporting back on our progress. 52 Cards 52 Positions How exactly do they work in real life?