The heart has a thousand knots, is a wonderful love poem. It is only when you have seen a thousand and one knots that you can understand the beauty of them better. I got hooked on the tangled beauty of Chinese knots from "Dream of the Red Chamber". The chapter of "The golden warbler skillfully knots the plum blossom wreath" is a mysterious starting point. At that time, I wanted to know how the knots on the fan pendants of my middle school classmates were made, but I could only tie an auspicio...