Blister is a problem for the air foil (10)

I believe the answer is:

stabiliser

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

'the air foil' is the definition.
The definition suggests a singular noun which matches the answer.

'blister is a problem' is the wordplay.
'problem' indicates anagramming the letters.
'blister'+'is'+'a'='blisterisa'
'blisterisa' anagrammed gives 'STABILISER'.

'for' acts as a link.

Can you help me to learn more?

(Other definitions for stabiliser that I've seen before include "Tailplane" , "Device reducing rolling of ship" .)

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

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