Free granny square crochet patterns are so popular for a variety of reasons. Initially, they are relatively simple to crochet. Firstly, even a newbie can discover exactly how to make a standard granny square after a few practice rounds. Second, they are effortless to customize. Also, you can make your own unique squares for coasters, as an example. You can change the colors, the size, the shape, really anything you want! Third, you can join granny squares with each other to produce all kinds of awesome accessories, like granny square baby blankets, square bags, and even hats.