Here is how the top of my grape press twists as I pull the car jack downwards (marked blue). I was wondering if adding another bracket (marked purple) on each side would solve the twist issue. Thanks!
I have attempted putting such plates but made of just 1" plywood. Here they are in the image below. It made little to no difference.I think those steel plates, four of them, nicely bolted like such, could solve this problem. But where do I get the solid steel, who is going to cut and drill it for me... It might be a bit of a challenge, or maybe i can find something pre-made at the hardware store.