It is hard to say if it is the BarxBuddy or the NO because we cannot hear the high pitch of the device. We push the button and say NO, and the dog turns and looks at us and stops barking for a time. So I guess either way, if it is the device or the NO, it's a method of training and we'll see if the response continues. We haven't been using too long yet because we had it shipped to our seasonal home. So in general, I would say training is the key and the device is not harmful, so ok to try.
Bottom Line: Yes, I would recommend this to a friend
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