Shoot head off carer at a folk party (9)

I believe the answer is:

hootnanny

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'a folk party' is the definition.
I don't know anything about this answer so I can't judge whether this works.

'shoot head off carer' is the wordplay.
'head off' means to remove the first letter (the first letter or 'head' is removed).
'carer' becomes 'nanny' (I've seen this before).
'shoot' with its initial letter removed is 'hoot'.
'hoot'+'nanny'='HOOTNANNY'

'at' is the link.

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I've seen this clue in the Sydney Morning Herald.

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