These 3 videos take you through the heel turn and base of heel in NEW PATHWAYS FOR SOCK KNITTERS, BOOK ONE, stating on page 13 and ending on page 16. The demo is primarily on 2 circular needles, with sections shown on DPN's as needed.
by chrisBcheA27
by NotikaLand crochet and knitting
by Sharayanshi Creativity
by Loomigurumi
by CertainlyCaroline
by Scott Weaver