Crossword Genius

Smelly clothes an advantage in bridge (6,4)

Ross

I believe the answer is:

strong suit

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

'an advantage in bridge' is the definition.
I don't know anything about this answer so I can't tell whether this works.

'smelly clothes' is the wordplay.
'smelly' becomes 'strong' (I can't justify this - if you can you should give a lot more credence to this answer).
'clothes' becomes 'suit' (set of clothes).
'strong'+'suit'='STRONG SUIT'

Can you help me to learn more?

(Other definitions for strong suit that I've seen before include "Something at which one excels" , "special talent" .)

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