While I would never chain my dog, I can understand your need to chain your dogs. I had a neighor with an APBT that they kept in a 8 foot high fence. The dog learned to climb the fence and roam the neighborhood. This went on until one day it climbed his fence and then another neighbors fence and killed 2 of his goats. After this another neighbor bought the house, which was a rental, just to ensure our neighborhood was safe. He renovated the house and my son ended up buying it. This dog was loved by an 8 and 10 year old and was the the picture of the perfect pet, at least on the surface. It had attacked me on 2 occasions and if it were not for my Koko I would have been hurt on the last attack. IMO APBT can not be trusted unrestrained no matter how much they are socialized. They were bred as rat killers and the killer instinct will surface if allowed to roam especially in a pack. IMO you created this thread just to get another confrontational discussion on the poor misunderstood APBT.