Introducing G.P.S. – Gobbler Positioning System. With the advanced directional funnel design of the Sidewinder, you can create the illusion of a hen walking away from or to an eager gobbler or just illustrating her natural movement of right and left. The omni-directional sound chamber allows for ultimate calling flexibility and directional calling an any desired position. Now you can work that gobbler in like never before! With just a simple rotation of the Sidewinder, you can make him think his hen is getting away from him. Just sit back and watch him come in!