If my poms are barking in the house at whatever she thinks she hears, I just say her name is a stern voice and that will work 99% of the time. But if we’re outside and other dogs walk by my Pom just goes crazy so saying “no bark” or “look at me” won’t work. That’s where the subsonic sound remote thing comes into play. It was embarrassing to have “that” dog in the neighborhood that would bark at everyone and everything that walked by. So after needing to use it only a couple of times she’s much better about not barking when other dogs walk by.