The rivets just exist to strengthen the trousers at the most conspicuous spots.
But some people think that because Converse All Stars were originally made as basketball shoes, laces could be looped through the extra holes for a snugger fit.
Professor Vijay Pithadia, PhD, MBA, M. Com., Electronics Technocrat, Director - MBA Program, 5 PhDs Produced , Author of 5 text books, 3 Patents were Registered, Editorial Board Member in 19 Journals