Primos Hunting Feedin' Mallard Game Calls. This Game Call by Primos Hunting features a special tuning hole in the bell to sound like multiple ducks. The Primos Hunting Feedin' Mallard Flock Call is the easiest way to reproduce the feed-chatter of ducks. The Primos Hunting Feedin' Mallard Freezeproof Call helps hunters to call ducks with ease. Specifications for Primos Hunting Feedin' Mallard Game Call: Manufacturer: Primos Hunting Fabric/Material: Plastic/Collapsible Hose Species: Duck Features of Primos Hunting Feedin' Mallard Game Call 100percent Freezeproof Special tuning hole in bell to sound like multiple ducks LOUD Package Contents: Primos Hunting Feedin' Mallard Game Call Primos Hunting 829: Feedin' Mallard Game Calls