. >> david ratliff jr. and joshua adahar have used a ripped-up mattress cover, blankets, water bottles, and a canteen box filled with books to create their own weight machine. >> you all ready? this is the bowflex in prison. try stuff like this. >> while the workout rates highly on the creative scale, it doesn't take long for staff to spot the goings-on. and the gym is about to go out of business. >> turn around for me, put your hans on the wall. what's up? what's up? this is contraband. >> what is? >> everything i'm taking out of this room. >> contraband? to what, a blanket? to a matt cover? water bottles? >> the inmates can be charged by the county for destruction of county property. and they deny it. they'll be reprimanded and probably lose four hours rec. that's about the most. and they'll pay for the destruction of the property. >> it is the type of violation joseph mayberry has no chance to commit even if he wanted to. he's on his third day of suicide watch after swallowing the arm of his eyeglasses.