① Red wool starts from 6 stitches and weaves the first row; When knitting the second row back, don't knit the first stitch, add a stitch before the last stitch, and then knit the last stitch; Go back to the third row and don't knit the first stitch. At this time, it is already 7 stitches.

(2) At the beginning of the fourth line, use yellow wool to tighten the red line a little, pull it back, and start knitting with yellow thread across the red line. Take off the first stitch directly and don't knit; The second needle began to weave yellow thread. At the penultimate stitch, add one stitch, and then knit the last stitch. Go back and knit the fifth line, but don't knit the first stitch. There are always 8 stitches at this time.