Crossword Genius

Why broke stablehand worked? (8,3,4)

Ross

I believe the answer is:

strapped for cash

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

'why broke' is the definition.
'strapped for cash' can be an answer for 'broke' (I've seen this in another clue). I am unsure of the 'why' bit.

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for strapped for cash that I've seen before include "not rolling in it" , "Bust" , "as an S & M prostitute?" , "needing money" , "Hard up" .)

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