I carried my Head 10pk Tour bag this past holiday and no one said a single word to me. We flew AirTran to Florida, and Southwest home. It had 7 frames in it at the time.
I did the same last year, and I believe we flew Jet Blue home. Again, no one ever said a word.
"Nobody beats Vitas Gerulaitis 17 times in a row" -- Vitas Gerulaitis, after beating Jimmy Connors on his 17th try.