While on the topic of rigging armatures, I got a question. I'm used to working with simple rigs like the top one..yet lately I've noticed some models are using shit like the bottom armatures. Just what the hell are all those circles and spiky ovals and crap? confuses me to no end how those work and CATS takes a shit if I try to "fix" the model.

I'm not really sure how to work with these to bring them in to VR Chat but I would like to