1, half knot: pull one end of the rope by hand to make a circle, then cross the rope and cross the circle;
2. Figure-eight knot: pull one end of the rope out and wind it into a circle, then the rope head passes under the rope and winds it in a circle, and finally the rope head is tightened through the circle;
3. Flat knot buckle: one end of the rope needs to be pulled and wound into a circle, and the rope head is parallel to the main rope. Then take the head of another rope and pass it under the circle, and then wrap it around and pass through the circle to tighten the rope.
4. Knot: First, arrange the rope into three sections, and then arrange the two ends of the rope side by side around the two sections of rope to tighten it.
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