A cow bell is worn by a freely roaming livestock animal making it easier to locate them should they ever wander off. Although they are typically referred to as "cow bells" because of their extensive use with cattle. Bells as used on a variety of different livestock.
The bell and clapper are commonly crafted from either iron, brass, bronze or copper and the collar used to hold the bell was mostly crafted from leather. Bells are made in different size and shapes and had different sounds to identify important characteristics of the livestock such as age, gender and species.