Besides of the size of the clip

My Q & A the ultimate mentalism routine

but an experiment to show how to influence people's choices

or in a theater of hundreds

Imagine being able to choose the right person to assist you onstage by listening to the way they laugh and speak

Switcher | Hernan Maccagno Jennings - Larry Besides of the size ofSwitcher is a deck holder that lets you secretly swap one deck for another in less than a second. It works automatically and completely invisibly. Just push the deck you want to remove with your finger, and that's it. Secretly swapping one deck for another in front of your audience has never been easier. Switcher will be your new way to keep cards in your performance!