>>65552952they are not, I'll link a couple I used and found quite useful. Mine might be a bit inefficient but I'm happy with how it rigged and get occasional compliments on it.
head xy:
https://www.youtube.com/watch?v=1pFJuldwlOQphysics for hair:
https://www.youtube.com/watch?v=flTPG6sHl0gmouth rigging:
https://www.youtube.com/watch?v=tJdS1G5ybkEThese three are your best ones to get something together that will look nice. I can go in to more detail about the model but if you want help just add me on discord and drop me a message (this goes to literally anyone else too).
