I altered it: CO 18, row 1 (RS) k2 p1 rib pattern, row 2 (WS) k1 p2 rib pattern. When you put stitches on holder only put 9 stitches. Width is still big enough to cover ears with only 18 stitches. I also experimented with different widths as I found 30 stitches to be too wide.
Theodora Goes Wild: Free Pattern Friday - Herringbone Lace Turban A free pattern for a 1940s turban in DK weight yarn | Turban Hat Knitting Patterns at http://intheloopknitting.com/turban-hat-knitting-patterns/