This is the best scotch and soda magnetic version ever

"A Potent Presage" and "The DC Hustle

Very easy DIY

shows the spectators his empty hands (front and back- nothing up his sleeve

The Flash (rot) | Marco Markiewicz Harrius - Henry This is the best scotchIntroducing THE FLASH by Marco Markiewicz The object you always carry with you becomes an incredible card detector. A card is freely selected, can be signed, and is genuinely lost in the deck. There are no suspicious moves and no apparent way of knowing its location. You then take out your mobile phone and explain that it will help you find the spectator's card. The cards are passed one by one over the phone but nothing happens. To make the effect