He skips from edges off cracked gutter (9)

I believe the answer is:

frolicker

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'he skips from edges off cracked gutter' is the definition.
The definition suggests a singular noun which matches the answer.

'he' is the wordplay.
I cannot quite see how this works, but
'he' could be 'ker' and 'ker' is found within the answer.
The remaining letters 'frolic' is a valid word which might be clued in a way I don't understand.
This may be the basis of the clue (or it may be nonsense).

Can you help me to learn more?

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

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