Good luck with that and careful because ppl who gonna add you most of them are kids and will only want to become gm to corrupt their as or so now days it's very hard to find decent people to get a help 🙂
There is a possibility of editing simulations, but this information is very closed and it's difficult to do.
About your question about kamaels wings, it's not the same like cloak "animation". It uses skeletal animation. But you also won't be able to change it so easily, there are many conditions.