Lined on the inside and the back

Unlike using ordinary-sized cards

Resets in seconds

After having witnessed Proteus

or the repertoires of his fellow magicians

Mark Southworth's Double Cross Carlos Lined on the inside andAsk a spectator to hold out their hand and make a closed fist. Pull out a marker and draw an 'X' on the center of your palm and close it into a fist. Now without any rubbing, erasing or funny business, you slowly open your hand and reveal your X is COMPLETELY GONE. Now ask the spectator to open their hand THE X IS ON THEIR PALM! Ask them to try to rub away the X they can't! It's Sharpie ink! Tell them not to worry though it's safe and nontoxic and can