The BLACK MARIAH Masterclass - A powerful secret for Magicians Control, Force, Amaze...

You can get the MADISON BLACK MARIAH Device here: You can get the AMAZON device here: This is a gift to all of my YouTube Subscribers, my way of saying Mad Respect and FANX for your support, my way of starting as I mean to go on into 2024. Many of the tutorials that I have on the way rely on The BLACK MARIAH, so it is important that anybody who learns from me and takes interest in my ideas has at least a basic understanding of what The BLACK MARIAH is... The BLACK MARIAH Device allows you to remove an extra 1mm from the corner of any playing card/s - changing the standard 3mm corner to a secret 4mm rounded corner - this modification cannot be seen by the naked eye of a participant or discovered under inspection or on accident, yet the trained eye can not only see The BLACK Mariah playing card, but also feel it’s position and cut to it naturally with minimum effort without looking. The BLACK Mariah Device is known as a ‘Corner Rounder /