Courage shown by head of atelier replacing second section of plush fabric (6)

I believe the answer is:

valour

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'courage' is the definition.
(I know that valour is a type of courage)

I don't understand the remainder of the clue.

(Other definitions for valour that I've seen before include "Exceptional or heroic courage" , "Discretion is said to be the better part of it" , "Courage in battle" , "Bravery in battle" , "Bravery, especially in fighting" .)

I've seen this clue in The Irish Times.

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