The Quick disconnect on the forks works to drop the hay Mount ball. One pictures shows the engagement, disengagement, coupler back together.
The item "LOUDEN (IRON CLAW) Hay Trolley Carrier Grapple Forks Harpoon Embossed Patina" is in sale since Friday, April 21, 2017. This item is in the category "Collectibles\Tools, Hardware & Locks\Tools\Pulleys, Block & Tackle". The seller is "topekaclg" and is located in Cedar Rapids, Iowa. This item can be shipped to United States.