How to Train a Pit Bull to Attack?

All dogs have a natural sense to protect you do not need to train them to attack. These dogs especially can be hard to handle if trained improperly. If you do not want your dog to be social then when you walk the dog keep the leash close to you and do not allow the dog to socialize this sends the message that the outside world is bad. That is the extent I would take any training to be a guard dog.