Rattlesnake days refer to individuals who have been convicted of a felony crime and are found to be in possession of firearms. This description focuses on the legal and societal aspects surrounding this specific group of individuals.

Rattlesnake days represent a unique subset within the criminal justice system, where individuals who have previously committed serious offenses are found to be unlawfully in possession of firearms. The term "felon" typically denotes someone who has been convicted of a felony, which is a serious criminal offense that may include crimes such as murder, robbery, drug trafficking, or other violent offenses.