Parimental by Jheff - Book John Hofner - Marc Oberon

- Marc Oberon

An extraordinarily clever visual system makes use of negative space to incorporate the traditional pips (clubs

Original prototype product (from 2017)

a spectator mentally chooses a card from the deck and also says a number

Parimental by Jheff - Book John Hofner - Marc Oberon"This is a fascinating work and a tool that supplies the reader with an abundant supply of new and usable material Self working effects, based on clever mathematical principles are often a relief to perform and give you ability to concentrate fully on your presentation. Parimental explores just one such principle with some 20 different effects to choose from along with some very sound presentational advice." From the Foreword by Richard Osterlind