Only do up the top button of a two-button jacket and the middle button of a three-button jacket. Want a catchy way to remember it? Sometimes (top button), always (middle button), never (bottom).
Going double-breasted? The bottom right button, no matter whether four-button or six-button, should always be unfastened.
Know WHICH of your buttons to fasten – usually it’s the top or middle
Just Tap
and 'Add to Home Screen'