<P> A cow bell or cowbell is a bell worn by freely roaming animals made to scare off any predators . Although they are typically referred to as "cow bells" due to their extensive use with cattle, the bells are used on a wide variety of animals . </P> <P> The bell and clapper are commonly crafted from iron, bronze, brass, copper, or wood . The collar used to hold the bell is traditionally made with leather and wood fibers . </P>

Why do the swiss put bells on their cows