19th Century mediums had techniques to invisibly touch spectators during sŽances, but these were almost always carried out in the dark. Since then many performers have built a reputation on this act. This is my personal vision of how the effect should be presented and executed, and something I have performed professionally for over 20 years. The positioning I use allows the audience to see the spectatorÕs back and convinces them, visually and psychologically, that no subterfuges are being used ....