Woof Gang Bakery & Grooming Ironhorse is proud to carry Barkworthies in Leawood, Kansas. 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?