No matter how big shoes weave, just the intermediate plus needle.
6 needles, woven a row, the second row is added at the arrow, and each time the second needle is added 6 times.
After adding the needle, there is 12 stitches, plus the start position, and don’t add it, it is half the length of the total length you want.
Continue to add a pin 2, the method is the same as last time, then weave to 9 cm to start the needle, each time the second and third merges into a needle, a total of 6 times.
After the injection is completed, it is 8 cm.