The phrase "large needle" refers to a sewing tool that is bigger than usual.
Sentences with «large needle»
This is done in exactly the same manner as any usual injection procedure, although, in order to accommodate the microchip, it requires a slightly larger needle. (cesarsway.com)
If you're thinking lace or planning to work with much larger needles than usual, you might need less. (thespruce.com)
We'll warn you: The process requires an exceptionally large needle (it'll seem especially large to those who are not fans of needles). (digitaltrends.com)