It's possible that the Chow is related to the first dogs to walk the earth, according to scientific comparisons of the current Chow and fossils that have been recovered. Over the past few centuries, Chows were used largely as working dogs and their assigned duties ranged from hunting to pulling sleds and carts. The distinctive ruff around the neck of a Chow gives it a somewhat fearsome appearance. The most commonly touted feature of a chow is the blue tongue. There are several colors and you'll find a Chow T Shirt design with yellow, brown or black Chows. If there's a kid in your life who also loves Chows, consider a Chow Children's T Shirt.