But one thing they do like is a brand of potato chips called Moon Lodge.
The only way you can get them is to serve time.
The chips are only supplied to prison commissaries around the country.
Inmate Brenda Sigler works at a prison canteen in Lincoln, Nebraska.
She tells a local paper the male inmates love the spicy chips.
The Journal Star reports a couple of the favorite flavors are Stuffed Jalapeno and Hot Hot Hot!