Ivy Style takes on the recent ubiquity of tie bars today. "But while there's general consensus that they're in vogue, there's less agreement about how they should be placed: high or low, straight or angled," writes founder Christian Chensvold. So he asked the venerable menswear writer G. Bruce Boyer for his take on the current trend of retro "shirt jewelry." [Editor's note: We're equal opportunity tie bar wearers—short, long, angled, gold, silver—bring 'em on.]