She put two pieces of fabric in a tray and noticed that there was still a lot of dye solution floating in the tray so she added another two white pieces on top of it:
What a great set of fabric!
With the remaining dye-solution, she created this fold shibori piece:
Another dyebath needed, so she added Jet Black (which is a blue-ish black)
So much more interesting if you keep making new layers of colour!
Two other pictures from her experiments: