The Lucky Duck Quiver Critter with Metal Stake Predator Decoy is the nation's #1 Selling Predator Motion Decoy! You gotta have this one! Effective motion decoy provides realistic quiver and shaking movement that is irresistible. Quiet and easy setup. Now comes with upgraded 9 inch steel stake for that tough terrain! The Quiver Critter now comes with universal tripod threads for optional use in the field. Requires 2 AA batteries (not included).