Where to keep artists' busts? (6,2,7)

I believe the answer is:

chests of drawers

I'm a little stuck... Click here to teach me more about this clue!

'where to keep' is the definition.
I know nothing about this answer so I cannot tell whether this works.

'artists' busts?' is the wordplay.
I cannot quite see how this works, but
'artists'' could be 'drawers' (people who draw) and 'drawers' is found in the answer.
This explanation may well be incorrect...

Can you help me to learn more?

I've seen this clue in The Independent.

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