Twisting a lost iron around (9)

I believe the answer is:

torsional

'twisting' is the definition.
(I've seen this before)

'a lost iron around' is the wordplay.
'around' is an anagram indicator.
'a'+'lost'+'iron'='alostiron'
'alostiron' anagrammed gives 'TORSIONAL'.

(Other definitions for torsional that I've seen before include "Relating to twisting" , "with a twist" .)

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

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