Switch One (Gimmicks and Online Instructions) by Christian Grace - Trick

A folded card, that has been trapped under an inverted clear wine glass in full view, is shown to be a card named by a spectator. For many, this is the holy grail of card magic. To achieve it in a manner as fair as this, where the spectator names the color, suit and value of a card, has been extremely difficult, if not borderline impossible... until now. Christian Grace (the innovative mind behind "Level One") and Vanishing Inc. have partnered to present "Switch One", an ingenious new system that allows you to perform a variety of magic and mentalism miracles. The word "system" is a key part of that last sentence. To simply call this a "card trick" would be a huge disservice to the variety of principles that come together to create this powerful offering. At the core of "Switch One", there is a special gimmick that truly allows you to retrieve any card. However, if you want to opt for the easier handling (as shown in the trailer), you'll find that a singular (yes, just one) moment of e