1) German twisted cast on, 52 sts.
2) 1X1 rib for 1”, 8 rows.
3) Stockinette St, 3 rows.
4) Heel flap (17 sl st rows), turn heel, and work gusset.
5) Work for a total of 60 instep rows after step 3.
6) Work toe until 6 sts remain on both top and bottom. Close with Kitchener st. (k off, p on; p off, k on)