Crossword Genius

With one point each, one more becomes redundant (7)

Ross

I believe the answer is:

needles

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

'becomes redundant' is the definition.
I can't judge whether this defines the answer.

'with one point each one more' is the wordplay.
'with' says to put letters next to each other.
'one point' becomes 'needle' (I've seen this before).
'each one more' becomes 's' (I can't justify this - if you can you should believe this answer much more).
'needle' put next to 's' is 'NEEDLES'.

Can you help me to learn more?

(Other definitions for needles that I've seen before include "Where a lighthouse is" , "Sewing aids" , "passes through" , "Isle of Wight feature - irritates" , "Pins and - -" .)

I've seen this clue in The Globe and Mail.
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