From the book:
Fine lightweight merino wool is paired with a fine gauge crochet hook to create a dense-bodied scarf in a slanting popcorn stitch pattern. Although it is precise and pretty in this scaled down size, the scarf could stretch to any length using additional balls of yarn.
Skill Level: Intermediate
Gauge: 6 popcorns and 13 rows to 4” over popcorn pattern stitch.