Double and treble crochet stitches with plenty of chain stitch eyelets between them make ... v-stitches, and picot stitches.

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.