Nothing says "formal" quite like a bow tie. But, to quote from GQ's November "Elements of Style" article on bow ties, "Purists quite rightly consider the pre-tied bow an abomination, a con man's dodge, the neckwear equivalent of a cheap toupee." To spare you from any unnecessary faux pas this season, we're including a handy guide to help you "tie up the loose ends" of your holiday apparel.