How To Add Ribbing To A Crochet Hat
Abbreviations (U.S. terms)
Made with 
Start with a hat that has been worked from the top down.
1
Made with 
Join yarn to edge of hat.
2
Made with 
Ch 5 (or any number, depending on how wide you want your ribbing to be).
3
Made with 
sc in 2nd ch from hook and in each ch to edge of hat.
4
Made with 
Sl st in each of next 2 edge sts.
5
Made with 
Turn.
6
Made with 
Skip both sl sts, sc in back loop of each st across.
7
Made with 
Ch 1 and turn. Sc in back loop only of each st across.
8
Made with 
Sl st in next 2 edge sts.
9
Made with 
Repeat previous 2 rows all the way around the hat.
10
Made with 
Whip stitch edges together (and weave in ends).
11
Made with 
All done!
12
Made with