Are you all familiar with the "Satanic Panic" of the 80's? Nearly 100% false and THIS is where some of you seem to be gathering your information. Some people out there actually believe this shit. The rituals you speak of do not exist in any form of Satanism.

http://www.people.vcu.edu/~dbromley/undergraduate/spiritualCommunity/SatanicCults.html https://noisey.vice.com/en_us/article/satanic-panic-interviews http://rationalwiki.org/wiki/Satanic_Panic