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

https://stephentkru765.cloudhinter.com/posts/quality-matters-why-you-should-invest-in-authentic-civil-war-flags

The Gadsden flag, providing a rattlesnake and the phrase "Don't Tread on Me," was once adopted by using some Confederate units as a image of resistance towards perceived oppression.