Use leverage to satisfy curiosity? (3)

I believe the answer is:

pry

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'use leverage' is the definition.
'pry' can be an answer for 'leverage' (thesaurus). I'm not sure about the 'use' bit.

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for pry that I've seen before include "Look inquisitively into private matters" , "Inquire intrusively" , "Enquire too inquisitively" , "Be nosey" , "Snoop, poke about" .)

I've seen this clue in the Evening Standard.

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