How to Crochet a Granny Square Flower for beginners – video tutorial. This free crochet granny square pattern provides detailed step-by-step instructions so You can learn how to make a classic motif. For crochet beginner's, it will introduce the weave of simple basic: a chain ring, double crochet (dc), triple crochet (trc), slip and popcorn stitches. Popcorn stitches. A Popcorn stitch is basically 5 dc's into the same stitch/space. The “Popcorn” is formed by pulling the top of the last dc through the top of the first dc.