hankins is serving life without parole for killing a grocery store clerk during a robbery.is super max facility he is not allowed contact with other inmates, but he is released from his cell for an hour of daily solitary exercise. it's what keeps him going. >> being locked down all day long every day for 23 hours a day and coming out in a little room to work out, you know it was difficult first couple years, but then i realized i'm just giving myself high blood pressure. >> while "lockup" crews have shot dozens of work-out route eens, the strangest has to have been at miami-dade by two inmates who covered their faces to remain anonymous. >> the arm here and the chest. i'm a trainer. i got him this big. after a round of what they called bed lifts, they showed us how they do chin-ups in the shower. but correctional staff took a dim view of their work-out routine. >> you got to get off that bar. >> that's it? >> that's it for that. no more of that work-out stuff. >> next on "lockup: raw," the daily grind. >> i got a 6-year-old daughter. how am i going to explain to her that wh