Though soft in caress, perhaps, is abrasive (7)

I believe the answer is:

scrapes

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'is abrasive' is the definition.
I can't tell whether this defines the answer.

'though soft in caress perhaps' is the wordplay.
'though soft' becomes 'p' (musical abbreviation for 'piano'. I am not sure about the 'though' bit.).
'in' indicates putting letters inside.
'perhaps' indicates anagramming the letters.
'caress' anagrammed gives 'scraes'.
'p' placed into 'scraes' is 'SCRAPES'.

Can you help me to learn more?

(Other definitions for scrapes that I've seen before include "Predicaments" , "Jars" .)

I've seen this clue in the Evening Standard.

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