Have you ever used a hay trolley? They used to be common in barns, where they hung from a rail in the rafters. Farmers would use them to pull hay up into the loft.
A friend once asked my brother and I to figure out how his hay trolley worked and set it up in his new barn. We looked at the tangle of rope, couldn't figure it out, and left it there. Now I know that we just needed to put it on the rail (our friend had already installed that) tie one end of the main rope to something, and then give it a try. Have any of you used one before?
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