What you need3mm needles
2 & 1/4 mm needles
double knitting wool
Using your 3mm needles and double knitting wool, cast on 16 stitches and knit stocking stitch for 3 inces. Put stitches onto spare needle.
Using your 3mm needles and double knitting wool, cast on 40 stitches and knit double 2×2 rib for 3 inches, ending with the wrong side facing.
Next row, knit rib for 22 stitches, cast off 16 stitches and purl 2.
Next row knit 2 transfer 16 stitches from spare needle and knit rib 2×2 across all stitches until it measures 4 inches.
Change to 2 & 1/4 mm needles and rib 2×2 in the same or contrasting wool for a further 2 inches and cast off.
Turn over top 2 inches in half and sew down. Sew along side and bottom securely to finish.