I have imagined several times before where you take a girl and blindfold her, put her in a room with 4 or 5 guys that are not blindfolded. She knows that one of them is her man. Line up the guys in a row standing. She gets on her knees and sucks the first cock, then the next, and so on. She has to pick out her guy by only using her mouth and only on the guys' cocks.

A great party idea.