Errata: Heel flap should end after Row 1, not Row 2, of the 2-row repeat. You may choose to end a row earlier than the pattern states or a row later; either will work.
Darning needle, 3 stitch markers (1 contrasting)
39 sts and 48 rows = 4”/10cm in St st using size1 US/2.25mm needle (dpn or two circulars)
CO: Cast on
Catch Float: Insert needle under loose strand and knit strand tog with next st,
K2tog-L: Knit 2 sts tog so they slant to the left (working needle enters sts pointing left, aka “SSK”)
K2tog-R: Knit 2 sts tog so they slant to the right (working needle enters sts pointing right, aka “K2tog”)
PM: Place marker.
RS: Right Side
Sl WYRS: Slip stitch with yarn to RS of work.
SM: Slip Marker
SSK: Slip 2 stitches knitwise, one at a time, to right needle, insert left needle into both sts through front loops and knit together (decreases one stitch)
St st: Stockinette Stitch. K on RS, P on WS
WYRS: With yarn to right side of work.