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.
Video tutorial is in Spanish only, but she goes slowly and the pattern is simple. "Gorros con trenzas gorditas y borde en punto cangrejo puff tejidos a crochet. paso a paso en video!
pretty leaf edging used as button holes sweater detail knitting