In this video World Goose Calling Champion Field Hudnall talks about selecting different goose calls for different situations. He demonstrates with the Adrenaline and the Aftershock. The Adrenaline is proving itself to be very effective in the contest scene. It took first place in its first contest. The Aftershock is one of the most user friendly goose calls on the market and offers some of the deepest, most realistic sounds ever found in a shortreed goose call.