How to Crochet Popcorn Flower Stitch – video tutorial. Free Easy Flower Crochet Pattern. For crochet beginner's, it will introduce the weave of simple basic: a chain ring, single crochet, double crochet, slip and popcorn stitches. Popcorn (pc). Making a popcorn stitch is quite easy. All you do is make a cluster of double crochet stitches in the same stitch. 1. Work the required number of stitches in one point. 2. Pull the last loop so it is bigger than usual and remove the hook. 3. Carefully insert the hook through the top of the first stitch of the popcorn and then back into the enlarged end stitch. 4. Pull the yarn through both loops on the hook. One popcorn completed.