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.
Learning basic sewing with a polystyrene plate, yarn, + plastic needle. I remember doing this with craft mesh when I was a kid and then graduating to sewing buttons by hand onto little pillows and pockets.