One kind of substitution is to put an activity you approve of in the place of one you do not.
Dog trainers have successfully trained countless numbers of dogs using this tool.
If, by chance, the owner is late, as is often the case because of subway, bus, or traffic delays, the dog's anticipation can turn into frustration, and its frustration into destructiveness, whining, or barking.
If you think you might have been affected by your dogs mite problem, ask your doctor for advice on treatment and medication.
They need to be installed in a protected area, however, for the metal can become frying-pan hot if exposed to full summer sun.
