Daily trailers showing stationery (10)

I believe the answer is:

paperclips

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'daily trailers showing stationery' is the definition.
I can't judge whether this defines the answer.

'daily trailers showing' is the wordplay.
'daily' becomes 'paper' (newspaper).
'trailers showing' becomes 'clips' (I can't explain this - if you can you should give a lot more credence to this answer).
'paper'+'clips'='PAPERCLIPS'

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I've seen this clue in The Daily Express.

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