Spirit Slates PRO by TCC - TrickMore than a hundred years ago, a mentalist named Alexander, together with magic props vendor Thayer, created the Dr. Q series of mentalism products. The Spirit Slates is one of them. Known as Dr. Q's Spirit Slates, over the next hundred years or so, the Spirit Slates has been adapted into numerous iterations, the only constant being the classic design of the two classical blackboards and the paranormal experience it brings to the audience. And this is