Prison by Verrell Axel (Instant Download) Spectator signed card appears inside the card box cellophane

PERFOMANCE:

Spectator examine the card box before the trick start. And then, spectator choose any card (no force), and signed it. Magician put the card back into the card box. And with just a wave, spectator signed card appears inside the cellophane. 
And the best part is you end clean! You are clean before and after.
Also there is no force
And I will teaching you another handling for the prison

Note: you will get over 30 minutes detail instruction