The phrase "small needle" refers to a tiny object with a pointed tip that is commonly used for sewing and medical purposes.
Sentences with «small needle»
There might be ways out of this, but it's the eye of a very small needle. (sbnation.com)
Searching for information in multiple peta (10 ** 15) base pair databases means that scientists are searching for very small needles in very, very large haystacks (e.g. databases). (rdmag.com)
What looks like a paint roller with small needles pointing out is rolled across your face vertically, horizontally, and diagonally. (healthy-holistic-living.com)