How to crochet a Puff Stitch Flower Motif for beginners – step-by-step video tutorial. For crochet beginner's, it will introduce the weave of simple basic: a chain ring, single crochet (sc), half double crochet (hdc), puff and slip stitches. This free crochet flower pattern makes up fairly quickly and creates a pretty flower that would make a great addition to a crochet hat or sweater. A Puff stitch. To crochet a puff stitch, you half-close several stitches worked in the same stitch and then join them together to finish the stitch.