Imagine you borrow a red Bic lighter, you pass it trough your fist and instantly changes to white showing your hands absolutely empty. You can change it again to red and give it to the spectator.
There are plenty of routines also for stage, for example: You show a red Bic lighter, push it through your fist and, at the same time, you pull from the bottom of the fist a red silk. Finally the lighter changed to white and the hand is absolutely empty.
Comes with two gimmicks: one to change a lighter to red and the other to change it to white.