That looks like a pretty simple machine for the small grower. I assume that they switch sides regularly, and work the opposite leg. A wheelbarrow full of prepared bundles, could serve a one person operation.
The people appear to be Amish, but usually they don't want to be photographed or filmed.
Oh, and by the way, a typo in my post above: I posted "Sounds like it had a bearing problem, but nothing that could be fixed (or maybe just cleaned & greased)." But my opinion was that it was nothing that 'could not' be fixed.
My online educational sites:
Evildoers! Eat my justice! And this tiny ad's justice too!