The Puff Stitch is family of the Bobble Stitch and the popcorn Stitch. Here are some beautiful Puff Stitch Patterns you can use to create awesome items.
Get The Pattern Here: Crochet Braid Puff Stitch Slouch Hat Free Pattern [Video]
the zig zag rib tutorial. by johanna
Super Bulky Seed/Moss Stitch Knitted Hat Pattern — Lady By The Bay
How to knit a hat from the top.