You could also try the Bark Genie, which you control...would be more intermittent, and plus you could concurrently use it while saying "no bark!" or whatever, so that he learns the command along w/ the beep.
__________________ ~ A friend told me I was delusional. I nearly fell off my unicorn. ~
°¨¨¨°ºOº°¨¨¨° Ann | Pfeiffer | Marcel Verdel Purcell | Wylie | Artie °¨¨¨°ºOº°¨¨¨° |