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

https://edwinttoq839.evergrovio.com/posts/understanding-the-symbolism-of-various-civil-war-flags

The Gadsden flag, featuring a rattlesnake and the phrase "Don't Tread on Me," become followed through some Confederate contraptions as a symbol of resistance in opposition t perceived oppression.