This video explains how to knit a heel flap and heel turn for a sock knitted top down. This is part of the "Basic Sock" Tutorial.
by New Stitch a Day: Knitting and
by Girly Knits
by HappyBerry Crochet
by Draw So Cute
by Heges Hobby-Atelier
by Knitting Stitch Patterns
by knit and crochet with Joanna