Rnd.1: Starting at top, ch 2, 6
sc in 2nd ch from hook (6sc).
Rnd.2: 2 sc in each st around (12)
Rnds3-22: Sc in each st around.
Wrap yarn around cardboard 175 times and slide off. Tie separate strand tightly around centre of all loops. Cut loops, trim and shape as desired. Sew to top of cover.