This scarf uses the same cable as the "Cabled Hat". If you're unfamiliar with working cables in the round, the scarf will let you practice the cable pattern flat.
The sample was knit using a single ball, about 190 yds (174 m), of a heavy worsted/Aran yarn on US 8 (5mm) needles and measures 8x35 inches (20x89 cm).
4.5 stitches and 9 rows = 1 inch in seed stitch on US 8 (5.0 mm) needles.
200 yards of Worsted weight