Crossword Genius

Maintaining locks in rich area that's been redeveloped (8)

Ross

I believe the answer is:

haircare

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'maintaining locks' is the definition.
I know nothing about this answer so I cannot tell whether this works.

'rich area that's been redeveloped' is the wordplay.
'that's been redeveloped' is an anagram indicator.
'rich'+'area'='richarea'
'richarea' is an anagram of 'HAIRCARE'.

'in' is the link.

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I've seen this clue in The Independent.
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