For anyone using this Shibui as an art therapy tool, this makes a great Shibui for individuals first learning Shibui. They will learn to create a foundation, Become used to the micron pen, and train their eyes to find edges. They will learn about pastel pencils and layering them. They will have the experience of blowing the wet medium.
They will also learn about Shibui Found Image Art.
With such a foundation you could explore developing new ideas. What else might be done?