Stalls for wine, new in cases (14)

I believe the answer is:

procrastinates

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'stalls' is the definition.
('procrastinate' can be a synonym of 'stall')

'for wine new in cases' is the wordplay.
I cannot really see how this works, but
'for' could be 'pro' (as in being 'pro' something) and 'pro' is found within the answer.
'wine' could be 'asti' (Italian wine) and 'asti' is found within the answer.
'new' could be 'n' (abbreviation as in New Testament NT) and 'n' is present in the answer.
'cases' could be 'crates' (crating is a kind of casing) and 'crates' is found within the leftover letters.
This accounts for all the letters.
This explanation may well be incorrect...

Can you help me to learn more?

(Another definition for procrastinates that I've seen is " put up with delays".)

I've seen this clue in The Telegraph.

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