It's even got corduroy elbow patches, the better to help you to pass it off as something passed on to you.

Let's roll up our elbow patches and get to work.

But because they do it in herringbone jackets with elbow patches, they get enormous book deals and everybody assumes they must be geniuses.

He donned a tweed jacket with elbow patches, braces and a bow tie.

All that was missing were the suede elbow patches on his suit coat and a pipe in his mouth to make the 'professor' picture complete.