The shapes you see that look like bones ( to me) were created using soy wax for a resist before dyeing with golden yellow and medium blue.
Over-dyed with fuchsia.
Then I applied Jacquard Discharge Paste in circle shapes using a muffin tin for a stamp. After covering the surface with these wonky looking circles I let the paste dry for a bit then steamed each circle to remove the color. The fuchsia disappeared leaving the underlying colors and was very exciting to watch during the steaming process. Yes Rosie... I was wearing my Darth Vader mask for safety!