Special stitches for this design include post, popcorn, and picot stitches ... round of the pattern is done in reverse single crochet (aka crab stitch) for a more finished look.

Make the next set of increase stitches in the ch1-sp ... pull yarn through last 2 loops on hook (one double crochet made). Picot: Slip Stitch 1, Ch3, dc in 3rd ch from hook, slip stitch.