I've got 2 EB puppies. Liz is 6 months and used to use her razor teeth to bite my feet, which are sensitive. She looked like a snapping turtle. I finally figured out that often when she starts nipping it is because she is sleepy and you know how little kids don't know when it is time to go to bed. So, I crate her and she falls asleep. She has her permanent teeth now. I just got Amy, who is 4 months. Now they tend to bite each other, while playing, and leave everyone else alone. They do seem to like to chew on cloth. That is the best advice you already got, when they chew something you don't want them to, replace it with something else.