16 stitches and 8 rows = 4 inches in double crochet
Width: 10 inches
Height: 30 inches
Row 1: Chain 31.
Row 2: Beginning in the second chain from the hook, work 1 dc in each chain across. Turn.
Row 3: Chain 1, work 1 dc in each stitch across. Turn.
Repeat Row 3: Repeat Row 3 until the cowl reaches a height of 30 inches, or desired length.
Finishing: Fasten off and weave in any loose ends using a tapestry needle.