First, great question and point. You can just use the hitch pin and your KE Rope or Strap. The problem is, most often the loop of either is too big to stuff into the receiver.
As to the science of it all…I have No Fuxking Clue ..lol Only experience, Trail and error and thankfully no deaths yet.
There is definitely a difference in hitch pins, breaking strength etc.
As for the use of the above Hitch/D-Ring Shackle, I carry one to use on someone that doesn’t have any dedicated recovery pointe, ie my friend with a Nissan Extera, that thought he had an Off-Road vehicle lol.
We could “What if” every aspect of every Recovery System. I just try to minimize the number of FAILURE POINTS along the system.
I also carry a Pintle Hitch, because I’ve never seen one fail, although I’m sure they have, in 27 yrs in the Army. We car argue that wow, that’s substantial, but again the weak point is the pin holding it in.
I think the biggest take away for me is using your equipment as intended and trying not to exceed the limits of whatever System you’re choosing to use. Ie: Don’t Snatch with a strap designed to Drag.
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