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

https://ericksigh824.birchreport.com/posts/behind-the-scenes-preparing-for-a-civil-war-flag-reenactment-event

The Gadsden flag, featuring a rattlesnake and the word "Don't Tread on Me," was once adopted by a few Confederate gadgets as a symbol of resistance against perceived oppression.