Humans used bone and ivory needles like these about 28,000 BCE to sew warm, closely fitted garments. These bone needles are from Xiaogushan, Liaoning Province, China, and are dated to about 28,000 to 21,000 BCE.
The end.
Think of tidbits as intellectual scaffolding: modest on their own, essential to the strength of the whole.
Claims are grounded at the smallest level possible, allowing evidence to be updated once and reflected everywhere it is used.