Primos 710 Fightin' Horns Rattling Horns can help make those big bucks come running. They have 14 contact points that enable the user to reproduce buck-fighting sounds from light sparring to extra loud fights. These Primos antler horns are made of a high-tech polymer that offers the same consistency and structure as real antlers. They feature an extended handle design that provides room to rattle without causing injury.