Details about where to get (free) pattern for Miranda the Masham Sheep can be found on Janice’s design page on the blog.
A few pictures to help: How to make Miranda’s “fleece”?
Fold a length of yarn measuring approximately 15 cm (6 in) in half. Insert crochet hook through purl/raised stitch (forming a “bump”). Catch loop of folded yarn with crochet hook and pull through the “bump”. Thread the two loose ends of the folded yarn into loop created and pull tight.