Crossword Genius

Declare vests to have shrunk after spinning a few (7)

Ross

I believe the answer is:

several

I'm a little stuck... Click here to teach me more about this clue!

'a few' is the definition.
(I've seen this before)

'declare vests to have shrunk after spinning' is the wordplay.
'SEVERAL' is hidden backwards in amongst the letters.
But, I'm unsure how the hidden word is indicated.

Can you help me to learn more?

(Other definitions for several that I've seen before include "More than one or two" , "Reveals (anag.)" , "Sundry, distinct" , "Some participants" , "Assorted" .)

I've seen this clue in The Times.
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