Originally Posted by maneater
when your walking the dog and the dog starts to pull just make like an about face and start walking the other way. the dog will learn to follow and not to lead. if the dog is pulling no matter what kind of collar they have on there should be quick correct and release. like a snap of the leash and a let go. I use the "lets go" command with my dogs. if they start pulling I will turn around start going the other way and say lets go...
also , to help before the walks , if your friend has a backyard where she can "tire" the dog first. Like make the dog run and play , then she goes for the walk. A tired dog makes it easier to train