My 3 yr old lab hates her nails to be cut. I have had her since she was 14 weeks or so and has never had a bad experience. In the past I have had to tie her up to a fence,muzzle her and when its time to do her back I have to hold up her back end and fight the whole time. PEANUT BUTTER. A couple of months ago I opened up a jar of it and let her go to town on it. Not one issue. LOL