Crossword Genius

Limit press of a fire supporter (7)

Ross

I believe the answer is:

endiron

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

'a fire supporter' is the definition.
I know nothing about this answer so I can't judge whether it can be defined by this definition.

'limit press' is the wordplay.
'limit' becomes 'end' (I've seen this before).
'press' becomes 'iron' (ironing is a kind of pressing).
'end'+'iron'='ENDIRON'

'of' is the link.

Can you help me to learn more?

(Another definition for endiron that I've seen is " sort of bar".)

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