Dunk'N Dogs Dog Wash and Grooming and Pet Food and Supplies is proud to carry Barkworthies in San Diego, California. At Barkworthies® we believe that simpler is better. Barkworthies treats and chews are completely digestible and contain absolutely no preservatives, chemicals, or additives. We only use the best ingredients and most of our products contain only a single ingredient. What could be simpler?