This hay feeder is designed with a light spring to prevent grass from scattering, ensuring easy access for pets without getting into their eyes. It features an electroplated metal sheet to compact forage, minimizing waste. A fixed knob allows easy attachment to wire cages with adjustable height for convenience. The feeder's edges are reinforced with metal sheets to prevent chewing. Made from PP environmental material and anti-bite metal, it's safe, healthy, and resistant to dropping and biting. Suitable for rabbits, chinchillas, guinea pigs, and other small animals, providing hay and grasses.