I definately respect the aboves opinion and there is always a danger. My opinion although it could be scary if it occured is outside of a rather large ball python with some experience getting them unraveled or breaking the hold would be rather easy to do as long as you kept your wits about you before your asphyxia level got to high... Anyways having a snake around your neck is not super safe, but with balls I find it unlikely that an experienced owner would put one they are unfamiliar with around their neck and would be aware of grip and have an escape route if issues.

Either way she could just tap out like the do in cage fighting and submit...!!!!!! Per UFC rules the snake is suppose to break the submission!!!! lol jk