http://www.slate.com/articles/life/doonan/2015/05/pitch_perfect_2_s_a_cappella_fashions_are_bringing_back_the_uniform.html

Once upon a time, I donned a black turtleneck, black jeans, and a black Patsy Cline wig. I then hit the mean streets of New York City. The year was 1985, and I was headed to Area, the club of the moment. Back then you took your life in your hands just popping out to the convenience store to get a Cup O’ Noodles, with or without a Patsy Cline wig. So what happened next? Nothing. I avoided catastrophe on that fateful night because I was accompanied by a dozen friends, and we were all wearing black turtlenecks and Patsy Cline wigs. It was an ad-hoc, impromptu bit of guerrilla performance art, with the emphasis on guerrilla. As we, in our menacing phalanx, walked down the street, the other pedestrians averted their gazes. Think Reservoir Wigs. The moral of the story: If you feel like throwing on a daffy outfit, keep in mind that there is, and always has been, safety in numbers.