Original Levi's jeans had a rivet at the crotch. In 1941, the US government ordered it removed to conserve metal for the war, but it never came back after the war ended. Rumor has it the real reason was cowboys complaining the rivet got scorching hot when they sat by a campfire.
The girl group NewJeans carries two overlapping meanings. One: like the jeans each generation reinvents, they aim to be a timeless icon. The other: a homophone of "new genes," signaling a fresh new generation of K-pop.