Hi all, I have a question I hope someone on this list can answer. First some background. I have a puppy that I am trying to train and I have seen a training device that emits a high pitched sound to deter unwanted behavior. Or I have considered a dog whistle which does the same thing. My question is how will this affect my fuzzies. Will they be able to hear this sound? Will it hurt their ears? Any input would be appreciated. Thanks Ann and the four fuzzies plus one unruly dog [Posted in FML issue 3237]