11. Sew sleeves down to hand.
To Make the Cover of the Buttons
1. With the trimming yarn, make 3 chain stitches.
2. Put 8 single crochets in second chain stitch.
3. Second row. Put 1 single crochet in first single crochet stitch (through both loops), 2 single crochets in second stitch, and so on to end of the row.
4. Make 1 row without increasing and break off yarn.
5. Thread a long-eyed needle with the yarn and sew cover over a button mold. Sew mold into place at waist of sweater.