The technique of showmanship (3)

I believe the answer is:

how

'the technique' is the definition.
(how something is done)

'of showmanship' is the wordplay.
'of' indicates a hidden word.
'HOW' is hidden within 'showmanship'.

(Other definitions for how that I've seen before include "In what way?" , "By what means?" , "In what manner or method?" , "See 16" , "Who (anag.)" .)

I've seen this clue in the Evening Standard.

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