This may be unconventional, but it should work for you.
Binaca is a spray breath freshener that you can find in your drug store. It's small and fits into your pocket, there are generic brands also. Give the command to stop or "no" and if he doesn't comply, give a little spritz in his direction. You don't want to spray him in the eyes, but anywhere around his mouth or nose works. Its a very fine mist, and doesn't hurt them. After a few sprays, just the sight of it makes them stop, and finally the command works.
It also works for barking. Good luck.
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LaVail Yorkshire Terriers |