pachita

Recently I have found that someone made a documentary about a para psychologist that disappeared several decades ago named Jacobo Grinberg and his work. One of the most famous subjects he wrote about was a "psychic" healer named Pachita. I had previously written about this "psychic" in the past...

does anyone know how one can detect fakery when looking at a "psychic" surgeon or the like? Are there ways to be able to learn how to spot slight of hand tricks? For example here is a photo of a "psychic" surgeon that I once mentioned on this forum...