Can access achieved with them spread pretension? (3-7)

I believe the answer is:

tin-openers

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'can access achieved with them' is the definition.
I don't know anything about this answer so I can't judge whether it can be defined by this definition.

'spread pretension?' is the wordplay.
'spread' is an anagram indicator.
'pretension' with letters rearranged gives 'TIN-OPENERS'.

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