Echo Book Test | Vincent Hedan (NLP [Neuro-Linguistic Programming]) Dan; Thomas Everyone knows the universal rule

Everyone knows the universal rule that a magician never reveals his secrets to laymen

It is super direct and multi-phased

I use two of them in my magnetic Himber wallet and there are four outs but spectator sees one envelope and one card

and honed during thousands of performances

Echo Book Test | Vincent Hedan (NLP [Neuro-Linguistic Programming]) Dan; Thomas Everyone knows the universal ruleThe Echo Book Test is a project I kept secret for the last few years I use Echo when I want a personal impact; when I want an easy, foolproof book test; and when I want to involve the audience emotionally. But Echo is much more than a simple book test First of all, Echo is a normal book: anyone can read it without suspecting anything, in fact it's available on Amazon. In secret, Echo uses a classic principle by Larry Becker (which he allowed me to use