Woof Gang Bakery & Grooming Stonebriar is proud to carry Barkworthies in Plano, Texas. 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?