I feel like this is better suited for the Sound Design board.

Saturation and Distortion isn't something the average producer gets to learn as opposed to a compressor or EQ. Here's a nice crash course.

Enjoy.

https://vimeo.com/151846089

Not a bad seminar, made be think twice about the power of saturation.


Additional:
http://www.hyperbitsmusic.com/saturation.pdf