How To Crochet a Pet Rock Crocheting a pet rock is easy with my free pattern! If you'd like to learn how to crochet even more cool items, then you should check out Crocheting Secrets Revealed.Here's how to crochet a great pet rock: Materials:Small amount gray worsted weight yarnSize H crochet hookSmall amount fiberfill stuffing2 small wiggle eyesSize: 2 1/2 tallGauge: 2 ...