C503 Fox Star's Request(1)

"This is a tracking earring. You can wear it on your ear, and if you ever find yourself in danger and in need of help, just press the button on it. I'll be able to locate you and help you out of the crisis," Faulkner explained.

Despite the rigorous body searches every prisoner underwent upon entering the prison, no one expected Faulkner to smuggle in such advanced technology