I have the same problems with Sebastian he bit me pretty hard a few weeks ago and he will snap at my grand daughters we are working with a trainer but I think I will try the traps too . He also really is aggressive with my son in law that lives in the same house as soon as my son walks out of his room boy gets a going and I don't know what to do
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but seriously, my dogs follow me everywhere I go be it in the house, in the yard or in the great outdoors of a park, for me that is a must
. One thing I've learned also is that you need to claim your husband and your son as your pack members, she may not respect them right now but if her pack leader (you) accepts them then she has no choice but to follow your lead. It is also true that your husband and son really must get on board with you and take a more active role in her training, all humans need to be seen by her as a pack leader so she can learn the proper respect for them, you claiming them and correcting her when she steps out of line will help but once they are on board and following your lead the problem will go away. Explain to them that if they don't help and do the things you are trying to teach them it only hurts her but to be a confident pack leader would help and make her a happy dog ... also if your son is scared because she nips at him, explain taking an active role in her training will make that fear go away (and will actually make him more confident too <-- that part you don't have to tell him
but caught her attention 
