A real gem from the collection is THE ULTRA SLATE MESSAGE by
Dr. Daley. It’s a clever slate trick in which a message mysteriously.
appears on one of 4 slates that have been shown clean by the
Performer moments before. I have been using this for a long time,
and like it better than the standard set of two-spirit slates with the
movable flap.

At the Parlor of Mystery in Lindenhurst Long Island, we produce
a special Halloween show each year. Last year it was my turn to
emcee. I was planning to produce a message using Dr. Daley
method. However, after reviewing the other performer’s setlists,
I found that someone else was planning to use spirit slates in his
routine to produce a message. As the host, it was my responsibility
to defer and adjust my plans so that there was no redundancy.
So instead of producing a mysterious message, I used Dr. Daley’s
method to produce a spirit photo. I was happy with the way it
played and pleased to share my adaptation with you.