Hello! Dexter is my new two year old bully, who we've only had on walks. I'm a kind of at the end of my rope, my spouse is almost over it, because Dexter will not stop lunging at EVERYTHING while we're walking. We have him in a pinch collar, and no amount of tugs or nudges to the side or anything will get him to stop focusing on the dog/squirrel/whatever he's trying to get. I don't know what to do considering any kind of training we do for him isn't working. We're about to sign him up for classes at Petsmart, but I though I would ask for some expert advice? I know that bulldogs are stubborn, but there must be something we can do?