Register wedged in between rollers (5)

I believe the answer is:

enrol

'register' is the definition.
(enrolling is a kind of registering)

'wedged in between rollers' is the wordplay.
'wedged in' indicates the answer is hidden within the clue.
'ENROL' can be found hidden inside 'between rollers'.

(Other definitions for enrol that I've seen before include "Join up, sign on" , "Become a member" , "Sign up (member)" , "Loner inclined to join in" , "Loner (anag.)" .)

I've seen this clue in The Guardian.

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