Gathering rust skins is part of the fun in Rust

https://rust-items-wikihdqs690.huicopper.com/watch-out-what-rust-skin-is-taking-over-and-what-you-can-do-about-it

Collecting rust skins is part of the enjoyable in Rust. Trade, craft, or purchase designs to build a collection that shows your taste, raids, and preferred weapons.