Electric shock collars used to keep dogs in the yard, to stop dogs from barking, and to train a dog remotely are not necessary and can cause considerable physical and emotional harm to a dog. That is why both the Pet Professional Guild (PPG) and the American Animal Hospital Association (AAHA) have both taken the position that shock collars should never be used on any dog for any reason. Learn about The Unintended Consequences of Shock Collars in this article by Don Hanson at his blog, Words, Woofs & Meows – < click to read >