theory11 — Magic Tricks & the World's Finest Playing Cards

Phone case

If it's thick enough cut a slit in it and put a card in you can fold the signed card under the deck I forget what the move is called and sneak it into the slit and have their card "magically" appear there. You can also put a duplicate of a card you signed in there,etc. Whatever you can think of just a thought
 
If it's thick enough cut a slit in it and put a card in you can fold the signed card under the deck I forget what the move is called and sneak it into the slit and have their card "magically" appear there. You can also put a duplicate of a card you signed in there,etc. Whatever you can think of just a thought
Good idea! The mercury card fold isn’t what you are thinking of I think.