Extra decoration in the saloon (3)
I believe the answer is:
'the saloon' is the definition.
(saloon is a type of bar)
'extra decoration' is the wordplay.
'extra' becomes 'b' (abbreviation for 'bye' - cricket).
'decoration' becomes 'ar' (I can't justify this - if you can you should give a lot more credence to this answer).
'b'+'ar'='BAR'
'in' acts as a link.
Can you help me to learn more?
(Other definitions for bar that I've seen before include "Exclude < > lawyers" , "Counter; prevent" , "Counter; pressure unit" , "Prohibit; counter" , "Counter in 21" .)