It&#39;s Spring, which means many cute and cuddly animals are out and about--bunnies, ducks, baby birds, and frogs! Wondering about how to crochet a frog hat? This free Frog Crochet Hat Pattern is perfect! Because this easy crochet hat pattern uses a size H crochet hook, as well as single and half-double crochet stitches, it works up quickly. Personalize this pattern by adding a tiny crown or red tongue. Any girl, boy, woman, or man will leap at an opportunity to wear it.