cast on 16 sts in the round
K1P1 rib for 6-7 rounds
divide fir heel
4 rows: sl 1 K to end, sl1 P to end
turn heel
sl1, K4, k2tog, turn
sl1, K2, k2tog, turn
sl1 K to end,
start picking up 3 instep stitches, plus a stitch next to the next needle
keep k1p1 rib going for the top of the foot
decrease every 2nd round as usual
Plain stocking stitch for the toe, decrease at 4 points every 2nd round until 8 sts, then weave stitches together.