Clue: Scots lass has everyone turning? Shows what punters may go for, cobber! (8)
Answer: QUINELLA
Explanation: Definition: Shows what punters may go for, cobber! 
**QUINE** (*Scots* word for "lass") + **<=ALL** ("everyone", turning) 
*A quinella is a type of bet in Australia, equivalent to a reverse forecast in the UK.