Making Local Motion-Paths and Rivets

So in this tutorial I show off how to use matrices to make motion paths and rivets and follicles work in local space rather than worldspace by using some matrix math.

If you aren't familiar with matrices this post has a list of resources:

https://www.jonah-reinhart.com/single-post/2018/02/14/Up-Vector-Trick-Part-2-Maya-Matrices