Daumen-Schelle Fueston With this clever prop

With this clever prop

A participant just thinks of an element and you are able to read the thought

This was designed for all environments -- stage

They are made from a very professional 310gsm casino paper cardstock with added air pockets that offer better handling

when you know the secret

Daumen-Schelle Fueston With this clever propNo preparations whatsoever! But if you know the trick, you can get out of it very easily! > See also the (unfortunately out of print) Felix Farell book The "F Files" The thumb cuffs are not prepared , so they can be examined thoroughly without any problem. To open the clamp, the key must first be turned pressed to one side and for the second bracket to the other side. It is therefore impossible to free yourself from the thumbcuff if both thumbs are