Some dog lovers  use weights, such as a backpack, to train their dogs
in relation to aggressive behavior, or to use the backpack to drain some
energy prior to doing any training or exercise involving another dog.
Exercise level seriously impacts a dog’s overall behavior (as it does
with humans.
Living in NYC with a dog that can’t go to [...]

Just like in ourselves, we have to build stamina and muscle slowly in our dogs. We need to
increase the amount of weight the dog will carry slowly over time as muscle
develops. Think of it this way….you wouldn’t go to the gym and lift 50 pounds
would you? You’d start out a three or five pounds. The [...]