He saw us now and paused, one hand gripping a button at the front of his coat.

NEWYORKER: Midnight in Dostoevsky

Like Q, Mendez has a collection of gadgets -- among them, a skin mole that carries a piece of espionage equipment called a bullet lens, and a coat on which one button is the lens to a concealed camera.

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Fans of a tweed sport coat with corduroy pants for the office should opt for the sporty feel of a button-down collar.

WSJ: Guide to Men's Shirt Collars: Which Styles Go With Which Occasions and Flatter the Face