2. Secondly, weave a figure-of-eight knot: weave nine threads together according to the figure-of-eight knot to form a ring.
3. Then, thread adding: On the basis of the figure-of-eight knot, thread the ninth thread through the already woven figure-of-eight knot and weave it with the first thread.
4. Finally, nine-strand weaving: weave nine threads together according to the method of three-strand weaving. Weave the first thread with the second thread, the third thread with the fourth thread, and so on until the ninth thread is woven with the first thread.