They make woollen garments - or new net skirt! (8)

I believe the answer is:

knitters

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'they make woollen garments' is the definition.
The definition suggests an adverb but the answer is not.

'new net skirt' is the wordplay.
'new' indicates an anagram.
'net'+'skirt'='netskirt'
'netskirt' anagrammed gives 'KNITTERS'.

'or' acts as a link.

Can you help me to learn more?

(Another definition for knitters that I've seen is " Trinkets for wool workers".)

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