My neighbor's dogs howl ALL DAY LONG. We've talked to him before about it and the dogs seemed to stop for a bit, but the howling has started again.. I need to go talk to him about it again, but before I do, I'd like to gather some options for him so he at least has some ideas. What do you guys think? He has two larger dogs (an Akita and a pit/lab mix) and a Pomeranian. He leaves all three in his garage when him and his wife are at work (they do have access to the backyard through a dog door). They're driving me nuts and it makes my dog all nervous. I have no clue what he can do to keep them quiet, please help!