The Clairvoyants On AGT Freaked Me Out: How Did They Do It?

When I first saw Thommy and Emile on American's Got Talent as the clairvoyants, doing something totally mind boggling, I couldn't help ask myself how did they do it?

May be there would be somebody who would explain how they did it. I finally found a youtuber reveal their trick.

Let's first look at the Clairvoyants AGT performance:

And, here is the reveal:

The post does acknowledges that the youtube links provided in the post are under the fair use of copyrighted material.