A while ago I fashioned a friction chart tool and turned it into a guide.
I wanted to share it with you here below as it is related to religions and our bodies functions.
I used a Ying Yang as it functions very efficiently this way.
First is a color-blind Ying Yang, the next is a becoming color Ying Yang and the next two are explanations of the process and how it functions.
Below is the art guide tool.