Films covering game seen in winter sports venues (3,4)

I believe the answer is:

ski runs

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'films' is the definition.
The answer and definition can be both man-made objects as well as being plural nouns.
Perhaps you can see an association between them that I can't see?

'covering game seen in winter sports venues' is the wordplay.
'covering' indicates putting letters inside.
'game' becomes 'RU' (rugby union).
'seen in winter sports venues' becomes 'skins' (I can't explain this - if you can you should believe this answer much more).
'ru' put into 'skins' is 'SKI RUNS'.

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I've seen this clue in The Times.

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