Training Clickers for Puppies & Dogs (Pkg. of Three) Dog training clickers are small plastic toys that act as a powerful scientific training system. They are used to achieve faster results in dog training by telling your dog that whatever hes doing at that precise moment will be rewarded. Dogs have only a short window of time in which they associate what theyre doing with a consequence-whether it is a reward or a punishment. A dog training clicker lets your dog know at dog speed that hes just done something that you want and that hell be rewarded. Light Weight but Durable Positive Training Tool Original Dog Whisperer Approved Satisfaction Guaranteed