How does one injure the knees? I have ground things flat, usually the ends of extremities but never knees or elbows. I can appreciate that one can possibly bang knees against pavement, but once again, I haven't seen that. Road rash I can say. My son took out a knee by using the brake lever as a dull knife while launching over the hood of a car. Is that the scenario?
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casual notes from the underground:There are some "experts" out there that in reality don't have a clue as to what they are doing.
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