A lot of people have asked for more training tip on how to use Potty Bells, so we reached out to our friend, Zak George to show everyone how. Zak is a celebrity dog trainer. You may have seen him on Animal Planet or BBC sharing his love and expertise of dogs and training them. These days, Zak has a very extensive library of training videos on Youtube. With over 35 million views and counting, a lot of people turn to him for advice and his fun video style.  Check out the video on his channel, Zak George’s Dog Training...