'The Worms have always been eager to inhabit us. Here are the practices which make us inhospitable to them.' There are diagrams. The diagrams are not good to look upon, and none of the practices they show would allow the subject to survive.
Madness string 111938
If you do bring the crayons, be aware that the formula has changed. Coworker informed me that his favorite, yellow, is much more bitter now.