Worn by that friend you aren't quite sure of; the mardigan says "I'm not dangerous" to the ladies, at the expense of saying "hey sailor" to the boys.
The aspiring metrosexual should be well equipt with a mardigan.
"man, steve is on fire tonight..."
"yeah, must be the mardigan"
"hey, can I buy you a drink"
"Sorry dude, I'm not actually..."
"OH, My bad, just assumed on account of fetching woolpiece"