Glancing at a man's ring finger to see if he's taken can only get you so far. While the presence of a ring tells you he's married, there's no way to know if he's engaged, since women don't typically get to put a ring on it. Well that's apparently changing.
According to ABC, man-gagement rings — engagement rings worn by men — are getting more and more popular. As one soon-to-be-groom says: "Now your game is over even sooner." Presumably many of these men are excited about showing off their "taken" status.