Grumble Glim by Nathan Kranzo (DVD & Gimmick)

For over 600 years Magicians and gamblers have used the glim. 

The glim is a secret device used for glimpsing playing cards. The glim is sacred. 

Now imagine a glim that is hidden in plain sight. It will never be detected let alone suspected. Glimpse any and every card in the deck at a moments notice. You can also glimpse words and/or pictures drawn by people. 

An amazing tool for the Magician and Mentalist
you will be taught how to use the glim
learn some devastating routines
supplied with some very cool gimmicks
Men have died over this gimmick. 

Use it wisely