Magazine or manual holder (5)

I believe the answer is:

organ

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

'or manual holder' is the wordplay.
'manual holder' becomes 'gan' (I can't explain this - if you can you should give a lot more credence to this answer).
'or'+'gan'='ORGAN'

Can you help me to learn more?

(Other definitions for organ that I've seen before include "periodical" , "Body part - musical instrument" , "with a lofty tone?" , "daily?" , "House journal" .)

I've seen this clue in The Globe and Mail.

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