So-called trick cyclist to stop shooting film (6-4)

I believe the answer is:

shrink-wrap

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'film' is the definition.
Both the definition and answer are verbs in their base form.
Maybe they are linked in a way I don't understand?

I don't understand the rest of the clue.

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(Other definitions for shrink-wrap that I've seen before include "Seal tightly with plastic film" , "Tightly package in flexible plastic" , "Cover in plastic" .)

I've seen this clue in The Times.

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