Jack Pyke Mega Mover is an innovative lightweight three-dimensional shell decoy system to allow your decoy to move up and down and from side to side. The system works as a counterbalance and provides an increased 360 degree natural movement for your winged decoys. Sturdy metal construction is lightweight and easy to store and transport. Designed to work with Jack Pyke shell decoys. Lightweight construction for easy use and transportation Counterbalance system for natural 360 degree movement For use with Jack Pyke shell decoys Size: One Size