here in the county. that was picked in with a staple. took ten hours. >> i had a guy from california do it, and it was pretty excruciating the way it had to go down. normal tattoos are done with surgical instruments. they're done in here with a sharpened staple, one dot at a time. so it took forever to do and it hurt really bad. >> other inmates craft sophisticated but illegal tattoo guns from parts of other items they are allowed to possess. >> any small wire can be straightened out and made into a needle. you can get motors out of appliances, tape recorders, cameras. >> when we see tattoo guns in prison, it's usually after they have been confiscated by authorities. >> i got the ink, i've got the tattoo needles, i've got the motor, the tattoo gun, the barrel. it's all right here. >> but we met a pair of cellmates who were so eager to