Sunshield can work your opener (6)

I believe the answer is:

canopy

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

'sunshield' is the definition.
I can't tell whether this defines the answer.

'can work your opener' is the wordplay.
'work' becomes 'op' (abbreviation for opus).
'opener' indicates taking the first letters.
The initial letter of 'your' is 'y'.
'can'+'op'+'y'='CANOPY'

Can you help me to learn more?

(Other definitions for canopy that I've seen before include "Roof-like shelter" , "Ceremonial covering" , "Highest level of foliage in a forest" , "Upper layer of a forest" , "Roof-like awning" .)

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

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