Nipping is natural behaviors, just like human infants teething. When a puppy is between two and six moths of age, they can be stopped!
Chewing and nipping is investigative behavior. It is how they learn about their world and it is completely normal. But it is important to
direct the puppy to chewing appropriate items. Then i want to say your puppy needs specially designed and safe pet
toys, which can
keep him happily occupied for a long time.