Discover a versatile utility item called the switch envelope, made from ordinary pay envelopes and requiring just a few cuts and folds. This envelope allows you to seamlessly switch out cards during a routine. by ingeniously folding the flap, you can hide the switch mechanism, making it appear completely ordinary to the audience. This method offers a clean and practical solution for switching cards during performances, with minimal setup required.

Course curriculum
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Switch Envelope - Full Course Explanation

Switch Envelope - Full Course Explanation