Vadigran Chewing Sticks Hazelnut 15Cm - 3Pcs (Pack of 5) These natural branches from the Hazelnut tree smell delicious and are highly appreciated by all rodents.The teeth of rodents continuously grow and if they can gnaw enough their teeth remain healthy and short which prevents dental problems.Rodents enjoy gnawing. It is a fun activity to fight boredom.Parrots and other birds with curved beaks love nibbling on these sticks.