Square knot tying method is as follows:

1, take out a lighter to burn the ends of the pendant rope thread and then quickly twist it into a thin wire with your hands (pay attention to burn your hands), and then use scissors to cut off the excess of the rope at the end of the untidy.

2. Pick up the pendant string and slowly pass it through the hole on the front of the pendant, paying attention to the distance between the hole and the top of the string of about 1 centimeter (you can reserve the length according to your actual needs).

3. With the pendant facing upwards, separate the strings, tie the 1st and 2nd strings together, and gently pull the ends of the strings together.

4. Turn the pendant over with the back side facing up, tie the cords in the same way as in step 3, and gently tighten the cords as shown in the small picture in the lower right corner.

A knot should consist of at least two loops tightened on top of each other, and two consecutive single loops can form a square knot, a slip knot, or a dead knot. The two tails of a continuous single loop are pulled in opposite directions with equal tension and tightened to form a square knot. If the pulling force is uneven or not at the same level, a slip knot will be produced.

If two consecutive single loops are not stacked in the opposite direction, they become a dead knot. The strongest knots are multiple square knots. It is best to avoid dead or slip knots as they tend to come loose.

Tying knots in deep body cavities or in areas where maneuvering space is limited can be accomplished by tying a slip knot and then adding square knots (at least 1) to prevent loosening. Surgical knots are similar in composition to square knots, except that the suture used to tie the first single loop needs to be twisted twice.