Crossword Genius

Locks up unusually sour delights (8)

Ross

I believe the answer is:

enamours

'delights' is the definition.
(to enamour is to delight or please)

'locks up unusually sour' is the wordplay.
'locks' becomes 'mane' (I've seen this in other clues).
'up' is a reversal indicator (in down clue: letters go upwards).
'unusually' indicates an anagram.
'mane' written backwards gives 'enam'.
'sour' with letters rearranged gives 'ours'.
'enam'+'ours'='ENAMOURS'

(Other definitions for enamours that I've seen before include "Sue Norma, who causes one to love" , "Charms" , "Captures heart with our names" .)

I've seen this clue in The Independent.
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