Sh___ at raw clue-cracking (9)

I believe the answer is:

caterwaul

I'm a little stuck... Click here to teach me more about this clue!

'sh at raw clue-cracking' is the definition.
I can't judge whether this defines the answer.

'at raw clue-cracking' is the wordplay.
'cracking' indicates anagramming the letters.
'at'+'raw'+'clue'='atrawclue'
'atrawclue' is an anagram of 'CATERWAUL'.

Can you help me to learn more?

(Other definitions for caterwaul that I've seen before include "Make feline howl about curate law" , "Howl like cat" , "(Make) a yowling sound" , "Feline cry" , "shrill howl" .)

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

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