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.
Weaving techniques that might be helpful (not for card weaving but for weaving where the warp threads are spaced further apart. This board is very useful for details about weaving. (For stories about Peruvian children and adults weaving