Have you worked on half double crochet stitches? If yes, it's really easy for you to work on this patterned phone case in a free format. For this, use cotton cake yarn in any color that you have in your collection. You don't need to buy new supplies to work on this crochet phone case. Use a 4.00mm crochet hook with a tapestry needle for crocheting this phone cover. sunflowercottage