Crossword Genius

Wheel clamp study part of speech also raised (6,4)

Ross

I believe the answer is:

denver boot

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'wheel clamp' is the definition.
I know nothing about this answer so I can't judge whether it can be defined by this definition.

'study part of speech also raised' is the wordplay.
'study' becomes 'den' (I've seen this before).
'part of speech' becomes 'verb' (verb is a kind of part of speech).
'also' becomes 'too' ('too' can be a synonym of 'also').
'raised' shows that the letters should be reversed in order.
'too' written backwards gives 'oot'.
'den'+'verb'+'oot'='DENVER BOOT'

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I've seen this clue in The Telegraph.
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