Hi, I recently bought a male dobe (11 weeks) a really nice dog, except for nipping, especially to the kids 4 and 10yrs. Hasn't hurt them, but seems to do it more when I'm not watching as I corrected him from doing it to me by shaking him on the scruf. I was thinking about putting a muzzle on him so that he dosen't develope a bad habit, but I dont know if that will do more harm than good. Pleas help

