Crossword Genius

Would it help handsome journalist to keep his clothes on? (5-4)

Ross

I believe the answer is:

press-stud

I'm a little stuck... Click here to teach me more about this clue!

'would it help handsome journalist to keep his clothes' is the definition.
Although both the answer and definition are singular nouns, I cannot understand how they can define each other.

'on?' is the wordplay.
I cannot quite understand how this works, but
'on?' could be 're' (regarding) and 're' is found within the answer.
This may be the basis of the clue (or it may be nonsense).

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.
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