You finish number one and are just zipping up your pants when you feel a stirring in your bowels. You and your friends really shouldn't have gone out for tacos before you came here. Groaning, you rush into one of the stalls and plop yourself down on the commode.
A few minutes later, you finish wiping and sigh in relief. Pulling up your pants and flushing, you're about to leave when you notice a hole carved into the side of the stall. In sharpie above, someone has written "Insert here. Give: pound once. Receive: pound twice."
You smile in amusement. It's a glory hole. You personally swing straight, but it's an interesting sight nonetheless.
You're about to leave the stall when you hear someone whisper "Hey, buddy. You up for this?" from the next over. You pause in suprise and are about to just leave when the voice says again, "C'mon, buddy I ain't got all day."
Hmm. You think for a moment. It would be fun to experiment a little. Who ever got harmed doing that?
Weighing your options, you eventually lean down and...