Summary: If you are interested in Chinese knots, this ball would be definitely a attraction to you. It is basically a finger weaving method. And your left thumb and little finger along with right hands play a significant role in tying knots below.
It's a high tech pen. Scan the color you want to use then the pen will draw with that color! I could use for my anime drawings and have the right colors instantaneously. I really want this, drawing would be so much fun with this!