Two shortcuts to a piece of string discs are mysteriously released (also can be done with three discs ) .

EXPLANATION :

Take a piece of string and seal both ends , pass by one of the disks and then through the loop formed across the disc, press the loop and now puts the other disc at both ends (one or two discs ) , ask a spectator to be kind enough to hold the ends , cover everything with a large handkerchief and hands under the scarf , remove the two pieces of string and separates the lower disc of the loop, let the other disc Now fall into your hand again replace the first album by the same loop to get leave . Now you can show the public that the disks were prisoners of the