dr. kim hammond, who is hiding. >> you are going to get the questions today, whether you hide or not. >> this is a 12-year-old wippet. fast -- this is like lightning. >> now, she looks like a grayhound. >> you know, they are cousins. it is like in the ape family you can have gorillas and chimpanzees, so they are variations on grayhounds. they are loving pets. >> and nervous. >> yes. she was afraid we were going to mic her. >> let's get to our first question, shall we? i have a seven-pound papillion who barks constantly. would it hurt the dog to employ the use of a bark collar. >> that's interesting. i used a bark collar. they are essentially electric collars that have two prongs and when the dog barks, they get a little shot. they also have some that shoot a little spray of something that doesn't smell good. these negative reinenforcements work. they don't have to be to a degree where the dog pees and poops all over the house, it is just enough to get a little negative influence. and once that happens, you put a dummy collar on, and it doesn't shock them, and it really works. it doesn't