Kind of an add-on to an earlier post with a house-breaking question. How do you train a new puppy (three month old black lab) not to bite? They aren't vicious attack bites, just playful puppy nips, but they have real pointy teeth at this age and can really clamp down on you. I've tried: 1 - Grabbing her by the scruff of her neck and shaking her (was told this is what the mother dog would do). She looks up at me afterwards with a very sneaky look in her eyes, you can just tell she's weighing the options, deciding what to do, then bites again about five seconds later. 2 - Curling her upper lip under her canines, pressing lightly til she yelps a bit. Same result, but usually lasts about 10 seconds until she tries again. 3 - Shaking an aluminum soda can with a few pennies or some gravel in it. My sister had a trainer work with her dog and got to the point where just reaching for the can stopped the bad behavior. This just seems to distract my dog, she just wants to play with the can. Doesn't grasp the "bad behavior equals annoying noise" concept yet. Is she to young to understand? Got her to sit for her food about two weeks ago (although I still had to hold her back). Now she will sit and stay in place without my holding her back (most times) when I feed her. So she's obviously learning, at least in tiny, tiny baby steps. Had one neighbor tell me to just ignore her, if she doesn't get any reaction from me, she'll tire of it. That's kind of hard to do when you've got very sharp puppy teeth imbedded in your bleeding wrist. Any other suggestions for the biting or just keep trying and eventually it will sink in?