Dead kittens. Can't get a pitchfork into the bricks.
This joke composed by my seriously autistic friend Neil, who LOVES jokes) Because it was a brick.
Just two, but you're going to need a lot of patience and light bulbs.
With a pitchfork
There's only one you can unload with a pitchfork. Edit: Who said something about dead babies?
You can't use a pitchfork to unload bowling balls.