This is a wonderful effect and can be presented formally or
In a context of informal
performances. I actually use regular some blank
Regular cards and a few from the Kennedy mind
control
Deck to shift around which cards people can imagine.
It can be repeated ( you get
to figure out how to frame it) but
When people see three naive spectators in a row make exactly
the same
Choises it is impressive. Equivoque is fun!