Crossword Genius

Once more haul a bull provocation (3,3)

Ross

I believe the answer is:

red rag

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'a bull provocation' is the definition.
The definition suggests a singular noun which matches the answer. I also know that 'provocation' relates to this answer.

'once more haul' is the wordplay.
'once more' becomes 're' (prefix in words like 're-emerge' or 're-enter').
'haul' becomes 'drag' (synonyms).
're'+'drag'='RED RAG'

Can you help me to learn more?

(Other definitions for red rag that I've seen before include "It is offensive to a bull" , "Source of extreme provocation" , "might attract a charge" , "Bull incitor?" , "Something proverbially annoying a bull" .)

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