An impossible test conditions peek method!
Anything at all is written on a blank piece of card. The face down card is pushed back into the middle of a stack of cards bound tightly with a rubber band. Put the back on the table or in your pocket and you instantly have a full peek.
This is a simple gimmick you can build at home and use forever.
Simple to make.
Easy to use.
Virtually angle proof.
Download it today