Twice-knit two large swatches of fabric with size10.

Cut out mittens and a “smitten” modeling after fleece mitten sewing patterns.

Sewed around pieces (even though twice-knitting is not supposed to snag or run, see the last piece for the amount of fuzz created by cutting pieces out), then sewed together (with sewing machine).
The pieces with the CO were sewn the easiest.

Puk stitches around openings and knit cuffs with size3