Join Date: May 2002
Location: Pittsburgh
Programs: MR LT Titanium, AA LT PLT, UA SLV, Avis PreferredPlus, HH Gold, Hertz PC, National Executive, etc.
Posts: 31,650
I've been wearing in-ears for at least a decade, has a paid of over-ears for 6 months or so, and see Bose's all over. I've been asked once to remove mine, and only saw over-ears requested to be removed once.
I'm skeptical that there is such a "rule".