Crocheting in rows & the half double crochet stitch

Crochet 4 sc into this foundation chain. Where you put your hook for this first row after a foundation is a little different from how you crochet in rounds. You'll also need to learn how to half double crochet stitch (hdc). Learn how to do Row 2 by following this one video:

You just crocheted in a straight line (woo!), which is called "crocheting in rows." Here's what you just did:

Row 1: ch 21  (21)
Row 2: sc in the second ch from the hook, 4 sc, 10 hdc, 5 sc  (20)