Matching item for a groomsman

TIE

Think of the neckwear often coordinated with a suit at a wedding, especially when the groom’s party dresses to match.

A groomsman typically wears formal attire to a wedding, and a tie is a standard matching accessory for his suit or tuxedo. The clue plays on the idea of "matching" in two ways—both as part of a coordinated outfit and as a pair to the groom’s own tie. It’s a straightforward definition with no hidden wordplay, relying on common wedding traditions. Think of it like the groomsmen’s ties "matching" the groom’s in color or style.