2. Figure-of-eight knot play: from below through the rope head, around it, through the circle.
3, flat knot play: prepare two ropes, one set on the other, one folded in half, the other out of the fold, around from below, through the entry point.
4, three sets of knot play: two ropes form a circle, put on the other one, and the other one winds up from below and passes through the circle.
5, fisherman's knot play: a rope around a circle, from the lower circle around the back and then through the circle.
6. Prussian nailing method: wrap the rope around the wood, the rope head goes around it, and then the rope head goes out from the rope.