unlike other variations of this effect

For the strolling performer Martin shows

Black and white represent eternity and purity

and taught with his kind permission

The DECOVA formula

Number 4 Envelope Stage | Blake Vogt Spazierstock unlike other variations of thisHand your spectator the envelope, they open it themselves and take out any one of FOUR options. This envelope can covertly conceal 4 different outs. Depending on which way you start to open the envelope and hand it to your spectator, they get to do the rest. You can also use this envelope as an extremely deceptive switching device for playing cards, pieces of paper and even money. This stage size is big enough to hold standard Jumbo cards, folded up