Echo Book Test | Vincent Hedan (Meditation) Karte in Box - Very detailed explanation of

- Very detailed explanation of the gimmick construction

it transcends mere illusion and becomes something truly extraordinary

Hartman's Secret Subtraction

- Stuart M

Comes with a custom printed double decker with English videos and German subtitles

Echo Book Test | Vincent Hedan (Meditation) Karte in Box - Very detailed explanation ofThe 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