|   Ideas 
  I would actually buy a small muzzle and use it when brushing her or any activity that she may attack. I would also not show her (as much as u can) that you are scared of her because this will reward the behavior. I believe she is just scared deep down and does not know how else to communicate. Please give her more time and lots of love and treats.
 I had a similar problem and he got much, much better. I noticed that when I was ignoring him he would act up much more! Just like a child. So I started petting him more, playing more, more treats and I did use the muzzle and got use to him try to bite me through the muzzle. When he realized that would not work anymore, he stopped. Yes it is hard to not be afraid when he is doing it. But this is fear based behavior.
 
 Ok these are my ideas. I am not an expert! lol. But I loveeeeeee animals.
 And I watch Dogtown too many times.
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