"Very heavy metal pallet frame of some sort? Has forklift pockets underneath. Has a slot in the middle that makes me think you slide something in and like it, perhaps for moving trailers or something on wheels? It’s about a standard pallet width."
A: "It looks like the guard that goes on the front of a forklift behind the forks. It would sit upright in this same orientation. Keeps the boxes on pallets from falling on the driver."
this is all lifted from a reddit thread.
https://www.reddit.com/r/whatisthisthing/
https://www.reddit.com/r/Whatisthis/
Most humor sites repost reddit stuff.