When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
From the description at Virginia Classic Mustangs:
"Just insert the rivet in the hole and tap the center with a flat punch or even a phillips screwdriver. The back of the rivet has four cuts that allow it to spread out/expand."