For those who asked about pictures of this, here they are. Click on pictures to make them bigger.
Bale unroller/feeder
Come for a western Ranch Vacation!
Dennisranch 
That looks pretty darn old, how does it work?
How do you mean? It works good! Has a winch that tips the bale forward and back to raise and lower it and one that squeezes the arms together to pinch the bale. there are short spear on the ends of the arms that go into the center of the bale. It has springs attached to the two arms that pull the arms apart when the winch is released. Just like one that is on the back of a tractor except it uses winches instead of hydraulics.
I meant to ask if it works good, I knew how it worked. My bad, never said I new how to express myself 😉