Show a clean pair of heels to Bolt (3,3,2)

I believe the answer is:

run for it

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'bolt' is the definition.
(thesaurus)

I don't understand the remainder of the clue.

(Other definitions for run for it that I've seen before include "Not slow" , "Seek safety in fleeing" , "Try to escape" , "scat!" , "Attempt to escape" .)

I've seen this clue in the Irish Times and the Irish Times (Crosaire).

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