K9 Hero Ball by Blue Line Jars — The new T-Handle Design is tailored for purpose-driven dogs—working K9s, sport dogs, and high-energy pets at home. This durable tool supports training, rewarding, and engagement for job-focused dogs. Ideal for drills, enhancing focus, or mental and physical stimulation, the K9 Hero Ball meets dedicated handlers' needs. Support Blue Line Jars' mission to empower working dogs and their teams. Experience a training tool as hard-working as the dogs relying on it.