I got a 16 month old lab that I think has swimmers tail. She usually wags that thing so crazy u would think its going to fall off. Now a couple of inches is straight and the rest is limp and she isn't too fond of me touching it. We hunted yesterday and today with lots of swimming and it was fairly cold. Any of u guys have a experience with this? Also, any of u guys use vests? My lab is about 55lbs and doesn't have much fat on her, she was chattering all weekend in the blind. Yes, she is a house dog also. My older one didn't need one, but this one seems to get colder. Thanks, Rae