While visiting Magic Live 2017, I bumped into Mitch Geier and we started talking Professors Nightmare… like you do… Turns out he had a fab ending that makes a lot of sense. Simple in concept yet the perfect twist that, presented properly, could add that impossible twist making it impossible for spectators to reconstruct the secret.

Most of us already know this trick, but in case you don’t, I’ve added a quick teach-in on the basic handling to get you started.