The practice is causing all sorts of problems in the dogs as they are infect being inbreed for the sake of fashion. What's worse is that to days fad is tomorrow dust bin filling, lets face there is not exactly a lot of room in Japan, know for its tight living accommodation.
As far as I am concerned dog's as fashion accessories should not be done, if don't like your little black dress you stop wearing it, are you going to stop feeding your dog?