With a double strand of yarn in Garter Stitch (knit every row), 12 sts and 13 rows = 4 inches/10 cm. TAKE TIME TO CHECK YOUR GAUGE!
With 2 strands of yarn held together, cast on 20 sts. Knit every row for Garter Stitch until piece measures approx 62 inches from beg. Bind off all stitches.