Crossword Genius

Socialist cleaner may flag (3,6)


I believe the answer is:

red duster

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'flag' is the definition.
Both the definition and answer are singular nouns.
Perhaps there's an association between them I don't understand?

'socialist cleaner' is the wordplay.
'socialist' becomes 'red' (socialism is often associated with the colour red).
'cleaner' becomes 'duster' (dusting is a type of cleaning).
'red'+'duster'='RED DUSTER'

'may' is the link.

Can you help me to learn more?

(Other definitions for red duster that I've seen before include "British merchant navy flag" , "Signal" , "Ensign" .)

I've seen this clue in The Mirror.
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