The Gadsden flag, providing a rattlesnake and the phrase "Don't Tread on Me

https://dominickuqhq312.greyhavendaily.com/posts/flags-of-the-union-and-confederacy-a-comparative-study-2

The Gadsden flag, offering a rattlesnake and the word "Don't Tread on Me," become adopted by way of some Confederate instruments as a symbol of resistance against perceived oppression.