Crossword Genius

Does one's bit, with urges to wear jewellery (7,2)

Ross

I believe the answer is:

pitches in

'does one's bit' is the definition.

'urges to wear jewellery' is the wordplay.
'urges' becomes 'itches' (I've seen this in another clue).
'to wear' is an insertion indicator (to wear something is to be covered up by it).
'jewellery' becomes 'pin' (pin is a kind of jewellery).
'itches' inserted into 'pin' is 'PITCHES IN'.

'with' is the link.

(Another definition for pitches in that I've seen is " Co-operates enthusiastically".)

I've seen this clue in The Guardian.
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