Rabbits love Peter's Pine Cones; "Nature's" perfect chew toy for your pet. In nature, rabbits eat a variety of coarse/abrasive plants to help wear down their teeth. Peter's Pine Cones provide the abrasive material your rabbit needs to condition his teeth while simply doing something he loves to do.chew! Peter's Pine Cones are a natural chew toy that will help keep your pet rabbit physically active and prevent boredom.As rabbit teeth grow continually, they will instinctively nibble and chew on just about anything. Overgrown teeth can cause dental problems, such as sores in the mouth, which could potentially lead to an abscess, making eating and chewing painful. Untreated dental problems can be fatal to a rabbit. Have your veterinarian perform a mouth exam as least once a year.