Husband Nick creates barrier (5)

I believe the answer is:

hedge

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'barrier' is the definition.
(I know that hedge is a type of fencing)

'husband nick' is the wordplay.
'husband' becomes 'h'.
'nick' becomes 'edge' (I am not sure about this - if you are sure you should believe this answer much more).
'h'+'edge'='HEDGE'

'creates' is the link.

Can you help me to learn more?

(Other definitions for hedge that I've seen before include "Boundary of shrubs" , "Boundary of field" , "Stall" , "Bound" , "Boundary plant row" .)

I've seen this clue in The Sun.

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