Here’s all the demonic summoning symbols you’re likely to use on a daily basis, in handy flashcard form. All you need to do is print it up and stick it over your monitor, so it’s handy when you need it.
A List of Several Demons and Their Sigils of Summoning
from Boing Boing http://boingboing.net/2012/09/04/demonic-sigils-in-handy-form.html?utm_source…