Crossword Genius

Seemed correction fluid gets expended by new writer (4-3,3)

Ross

I believe the answer is:

felt-tip pen

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

'writer' is the definition.
(I've seen this before)

'seemed correction fluid gets expended by new' is the wordplay.
I cannot really see how this works, but
'seemed' could be 'felt' (feeling is a kind of seeming) and 'felt' is present in the answer.
'fluid' could be 'n' (N is an example) and 'n' is found within the answer.
This explanation may well be incorrect...

Can you help me to learn more?

I've seen this clue in The Telegraph.
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