Have you ever wondered how to pull off a prank and have someone else take the fall? It's easy if you watch your back. You need to pull a bait and switch in a way that would keep your hands clean. Take this: let's say you're standing in line in a public place. You just finished eating a bowl of chili for lunch. You need to fart badly, but you don't want to embarrass yourself. Here's what you do: if someone's behind you, rip it, and turn around! If no one's behind you, if you rip one, start looking around. Get them off your trail! It almost always works.
Just a street smart trick to remember.