Originally Posted by llis
I'm talking about the metal shaft that runs from the plate back to screw into the frame. My concern is that if it's anywhere near as solid as the tow hook itself, any reasonable bump would be passed straight through to the frame. I was wondering if there was one that used a less solid construction, stable enough to hold the plate steady at speed, but soft or brittle enough to give in a modest impact.
I think that you are over thinking this one. This really isn't a risk worth worrying about. I think the tow hook mount will break off before frame damage occurs. Even if it didn't and there's enough force for frame damage, you would have had it anyway...