Remain, my boy, with your corset on (5,2)

I believe the answer is:

stays on

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'your corset on' is the definition.
I can't tell whether this definition defines the answer.

'remain my boy' is the wordplay.
'remain' becomes 'stay' (synonyms).
'my boy' becomes 'son' (I've seen this in another clue).
'stay'+'son'='STAYS ON'

'with' is the link.

Can you help me to learn more?

(Another definition for stays on that I've seen is " remains".)

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

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