Reject offer to bend feathers (4,4)

I believe the answer is:

turn down

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'reject offer' is the definition.
'turn down' can be an answer for 'reject' (synonyms). I am unsure of the 'offer' bit.

'bend feathers' is the wordplay.
'bend' becomes 'turn' (synonyms).
'feathers' becomes 'down' (down can mean bird feathers).
'turn'+'down'='TURN-DOWN'

'to' acts as a link.

Can you help me to learn more?

(Other definitions for turn down that I've seen before include "mark the place" , "prepare bed" , "Spurn" , "Lower volume" , "Reject - reduce volume" .)

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

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