Annoying types misuse IT in arts? About right (9)

I believe the answer is:

irritants

'annoying types' is the definition.
(annoying people or things)

'misuse it in arts? about right' is the wordplay.
'misuse' is an anagram indicator.
'about' means one lot of letters goes inside another.
'right' becomes 'r' (common abbreviation).
'it'+'in'+'arts'='itinarts'
'itinarts' is an anagram of 'iritants'.
'iritants' going around 'r' is 'IRRITANTS'.

(Another definition for irritants that I've seen is " Annoying things".)

I've seen this clue in The Telegraph.

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