or any sticky stuff

Thomas says:

But it's INVISIBLE enough to use just a few feet from your audience

An intelligent play on the senses and a curiosity of one's own perceptions

This was a standout favorite from Edison Notes

Thought Extraction | Joel Anthony Penn - David; Spelmann - Marc or any sticky stuff"This is a very useful tool that will allow you to perform countless routines! Well done, Joel!" Luca Volpe Imagine being able to see everything that the participant has drawn or written inside an envelope. No windows No taking the ticket out No strings, magnets or threads Nothing to easily break Incredibly clever What is Thought Extraction? Thought Extraction is an envelope set that allows you to peek the information written in one of the envelopes,