Low-cut accessory tour chose in error (5,4)

I believe the answer is:
court shoe
'low-cut accessory' is the definition.
The definition suggests a singular noun which matches the answer.
'tour chose in error' is the wordplay.
'in error' is an anagram indicator.
'tour'+'chose'='tourchose'
'tourchose' anagrammed gives 'COURT SHOE'.
Can you help me to learn more?
(Another definition for court shoe that I've seen is " Item of footwear".)
I've seen this clue in The Independent.
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