Skin flick (4)

I believe the answer is:

film

This clue is a double definition.

'skin' is the first definition.
(thesaurus)

'flick' is the second definition.
('film' can be a synonym of 'flick')

(Other definitions for film that I've seen before include "Thin layer (covering a surface)" , "Thin covering or photographic medium (4)" , "Skin" , "Motion picture" , "Moving picture" .)

I've seen this clue in The Guardian, The Telegraph and The Sun.

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