Crossword Genius

Sewing tools are a sensation! (4,3,7)

Ross

I believe the answer is:

pins and needles

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

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

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for pins and needles that I've seen before include "prickling" , "Numbness" , "discomfort?" , "Penetrating articles" , "Funny feeling" .)

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