It's revealed by one who has nothing on local boozer - Ken is sick! (4,4)

I believe the answer is:

bare skin

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'it's revealed by one who has nothing on local' is the definition.
I can't tell whether this defines the answer.

'boozer ken is sick' is the wordplay.
'boozer' becomes 'bar'.
'sick' is an anagram indicator.
'ken'+'is'='kenis'
'kenis' with letters rearranged gives 'eskin'.
'bar'+'eskin'='BARE SKIN'

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I've seen this clue in The Irish Times.

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