Goes into stitches, perhaps (5)

I believe the answer is:

knits

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'stitches perhaps' is the definition.
'knits' can be an answer for 'stitches' (I've seen this before). I am unsure of the 'perhaps' bit.

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for knits that I've seen before include "Purses" , "Stitches" , "Works with needles and wool" , "Unites" .)

I've seen this clue in The Irish News.

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