Possibly put a cap on shivering critters? (8)

I believe the answer is:

restrict

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'possibly put a cap' is the definition.
I can't judge whether this definition defines the answer.

'shivering critters?' is the wordplay.
'shivering' indicates anagramming the letters.
'critters' anagrammed gives 'RESTRICT'.

'on' acts as a link.

Can you help me to learn more?

(Other definitions for restrict that I've seen before include "Put limits on" , "Circumscribe" , "Limit, inhibit" , "Deprive of freedom" , "Place limits on" .)

I've seen this clue in The Independent.

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