Something like that, yes.

[She laughs and reaches into a small pouch, pulling out a handful of beans.]

What one priest does is dress up like an oni, a kind of demon, and dances. The other people there take beans from the priest and throw them at the demon to make it go away. There's a chant that goes with it, but that's most of the ceremony. It sounds silly, but it's a lot of fun, when you have a group to do it with.