This is a Beltane. It was worn by Druids during the Burning Times to show allegiance to the Goddess. At the beginning of the Spring harvest, Zelators cured their belts with flying ointment so the High Priestess could consecrate her Sacred Marriage to the Green Man on the Astral Plane. Blessed Be!
Sounds vaguely familiar.
And so on.
And it’s clear why they freak the Nazis out — because it shows that they’ve already lost the culture war. And if you’ve lost the culture war, any political power you have is just a short-term holding action that’s doomed to fail. Eventually.
Currently reading this to get a sense of what it might be like to have doped-up speed freak fascists in charge.