A Highlander in a cravat (5)

I believe the answer is:

ascot

'cravat' is the definition.
(ascot is a kind of cravat)

'a highlander' is the wordplay.
'highlander' becomes 'scot' (I've seen this in another clue).
'a'+'scot'='ASCOT'

'in a' is the link.

(Other definitions for ascot that I've seen before include "Horse-racing venue" , "English racecourse in Berkshire" , "Racecourse with royal associations" , "Necktie with wide square ends" , "English horse racing venue on coast" .)

I've seen this clue in The Everyman puzzle in The Observer.

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