We have only been using the device for a few days but clearly my dog does not like it! She is a mini schnauzer - which is a barky breed, she barks at everything. This seems to be helping. When we activate the device she cowers and stops barking. I'm hoping in time we won't have to use it anymore. I'll try to post an update in a few weeks if there are any changes.
Bottom Line: Yes, I would recommend this to a friend
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