I think I can here ya KNOCKING!

There ya go! Excellent demo.
45 seconds of pure torture to the crank.
If you catch it real early,I have gotten away with just a bearing replacement.And a crush adjustment. But this is well beyond "early". This is the final stages of mass destruction........lol. That's like "I drove it home from nowhere-ville like that. I didn't even notice it 'til I stopped for gas. Good thing I was just a block from home!". heehee