The Egg Protection Plate is designed to prevent pests, snakes, and chickens from reaching eggs through the bottom of the tray. No tools or hardware required. Installation: Slide the plate beneath the egg-holding netting, targeting the bottom back edge first. Tilt the plate into the back edge, then lift and secure it into the front of the tray. Center the plate between the front and back of the tray. Simply reverse these steps to remove the plate for cleaning.