themselves as being open people. >> reporter: there are going to see people that see this story and think that doing a knitting class isn't something that fits the punishment. i had one of the guys put me through the paces. >> wrap it around. >> reporter: in other words, you have to say it. >> you did it. >> reporter: everything they knit goes to charitable causes, like these hats for students at troubled inner city schools. >> you know he did a lot of wrong in society, so i guess this is the way of giving back. >> reporter: lynn and sheila say they've seen their students change for the better. >> these guys are getting out. they can't go one day from doing hard time to the next time being on the streets. they have to make a transition somehow. >> reporter: i'm t.j. winnick in jessup, maryland. >> that was a nice one. >> that was a nice hat. >> some of these inmates