NASCAR moving to single lug-nut design for Next Gen car next season .... it will be interesting to see how well it performs under race conditions in 2021
https://www.nascar.com/news-media/2020/03/02/nascar-single-lug-nut-design-wheel-next-gen-car/
https://www.nascar.com/news-media/2020/03/02/nascar-single-lug-nut-design-wheel-next-gen-car/