Cross the line in breaking finger (8)

I believe the answer is:

infringe

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'cross the line in breaking finger' is the definition.
I can't tell whether this defines the answer.

'in breaking finger' is the wordplay.
'breaking' indicates an anagram.
'finger' with letters rearranged gives 'fringe'.
'in'+'fringe'='INFRINGE'

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(Other definitions for infringe that I've seen before include "Cross boundary" , "Violate" , "Encroach, impinge" , "Break the rules" , "Encroach on (a right)" .)

I've seen this clue in The Sun.

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