Just a warning, this video is pretty NSFW, so don't got watching it on full volume at work.
Now that the technicalities are out of the way, check out this A-grade prank that gets pulled on this poor lad.
With a bit of crafty sellotape placement, and a blind fold, this prankster pulls off the literal unthinkable.
Just look at the way he looks at his finger after the blindfold is taken off!
Check out the grim video here: