The spiral can be found all over the American Southwest, including on the canyon walls.
It was an Anasazi symbol representing a portal to another dimension. The circular Kivas were places where powerful shamans performed summoning rituals. The creatures summoned can also be seen on the canyon walls. Humans sucked in, monsters come out. I doubt there was any pedophilia involved.
https://www.youtube.com/watch?v=8TSeyVr6ysg
then Aliester Crowley came along and figured out that sodomy can be used to impregnate little boys with demons. And he said that after this world is destroyed by THEM, the initiates will escape through a little boys' asshole to lucifer's dimension. For showing such 'wisdom', Crowley was immediately given a 33rd degree Masonic initiation.
I posted this on ZH years ago, but all comments have been shoah'd, so no sauce.