"The greatest invention since the emergence of dogs": The Dog Training Toolkit (the world's only!). Tim Carter's Dog Training Toolkit has revolutionized dog training all across the globe: Don't use Force, Don't use Fear, Don't Yell and Don't Shriek. Forget 'Training Collars' and 'Treat Training'. Forget Obedience Training. - Instead: Use the Dog Training Toolkit. Your dog will love you for it!