Kong Toys are designed to promote the Jawrobics workout. CHASE - When a Kong hits the ground, dogs instinctively 'Go for it'. CAPTURE - Dogs capture the Kong then strut proudly back with their prize. CHEW - Kong's strong thick walls keep springing back for more. History of Kong - Before Kong, no toy could withstand the mighty jaws of Fritz 'the chewmeister'. The search for the perfect toy paid off in June of 1970. Fritz found a volkswagan part that inspired the development of Kong. Today, because of Fritz, thousands of dogs around the world are enjoying Kong toys. SIZE - When in doubt purchase a larger size. In a multi dog home purchase a size appropriate for the largest dog. You can even put treats inside the Kong for added interest.