Causes injury with dogs having slipped lead? (6)

I believe the answer is:

wounds

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'causes injury' is the definition.
(I've seen this before)

I don't understand how the remainder of the clue works.

(Other definitions for wounds that I've seen before include "Inflicts damage to body or feelings" , "Injuries to living tissue" , "Injuries to bodies or feelings" , "wings" , "Inflicts injury on, physical or mental" .)

I've seen this clue in The Independent.

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