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• Archive: A masterpiece 450 years in the making.In 1563, Giambattista della Porta published a manuscript titled "De Furtivis Literarum Notis." Within that manuscript, Porta described a means to reveal hidden messages on the side edge of playing cards.
• Based on research at the Conjuring Arts Research Center, the concept of hidden messages on playing cards was also used as a secret code during World War I.EDGE by Mathieu Bich builds upon that history in a new, groundbreaking direction, allowing you to reveal selected cards, names, or predictions.
• Instantly resets - and it's almost entirely self working.With Edge, you can cause writing to appear, disappear, or even change: visually.The applications are limitless: you can write ANYTHING you want to reveal or predict.
• Whatever you want to write.
• Includes the special Bicycle deck and everything you need to perform the effect.