Luggage in boot? Vice versa (3)

I believe the answer is:

ugg

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'boot? vice versa' is the definition.
I don't know anything about this answer so I can't tell whether it can be defined by this definition.

'luggage in' is the wordplay.
'in' indicates a hidden word.
'UGG' is hidden in the letters of 'luggage'.

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.

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