Additional gauge:
36 sts and 37 rows = 4” (10cm) over k1, p1 rib, unstretched

This pattern, released in November 2015, will be available only to Blue Moon Fiber Arts Rockin’ Sock Club members for one year. After that, the pattern will be available to the public.

Errata: Ravelry re-release edition was missing the crucial words “to end” in the first sentence of the 3rd section of the body of the hat. This has been corrected in the latest version on Ravelry.