https://www.teamfulseal.com/products/brake-shims.html
Typical materials for brake pad shims include stainless steel, rubber, and composite materials. A common structure for a brake shim is a metal core with a rubber coating.
Elliot Jensen and Elliot Fintry have a lot in common. They share the same name, the same house, the same school, oh and they hate each other but, as they will quickly learn, there is a fine line between love and hate.