EasyBird Wobbler Base provides up to 25 degrees of vertical movement. For use on Easybird Auto Feed, 6-Packer and Doubles traps. EasyBird Wobbler Kit Champion's EasyBird trap throwers increase the challenge to the everyday trap enthusiast. Ideal for back-forty shooting and lengthy practice sessions with friends, the EasyBirds handle high-volume throwing with ease. The new Wobbler Kit vertically oscillates for a variety of flight paths and its flawless operation continues its reign as "King of the Air".