follis Directory References Discover 8 of the World’s Most-Remote Islands 12 Greek Gods and Goddesses Were the Nazis Socialists? Why We Celebrate MLK Day Funky Feathers: 10 Bizarre Birds Why Is Pluto No Longer a Planet? 9 Things You Might Not Know About Adolf Hitler Contents follis ball Ask the Chatbot a Question Ask the Chatbot a Question Learn about this topic in these articles:use in Roman recreation In ballThe largest, the follis, contained an air-filled bladder, similar to a modern football (soccer ball) or basketball.Read More