If you're a regular gym-goer, you see a lot of strange things and people. Perhaps you've even seen someone pulling one of these pranks and wondered, "Why is this guy giving me a spot yelling about the Bible?" There's a good chance you were being messed with. Now is your chance to try out messing with people at the gym yourself. This video will teach you a bunch of great ways to prank exercisers without additional equipment or setup. Brilliant!