Vice and brace put on freezer? (6,3)

I believe the answer is:

number two

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

'and brace put on freezer?' is the wordplay.
'and' becomes 'n' (common abbreviation for 'and').
'brace' becomes 'two' (I've seen this before).
'put on' is a charade indicator (letters next to each other).
'freezer?' becomes 'umber' (I can't explain this - if you can you should believe this answer much more).
'two' after 'umber' is 'umbertwo'.
'n'+'umbertwo'='NUMBER TWO'

Can you help me to learn more?

(Other definitions for number two that I've seen before include "Second in command" , "vice" , "deputy" , "Dump" , "Second-in-command" .)

I've seen this clue in The Telegraph.

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