<p>Never thought of backpacks as that dangerous of a weapon before. Geez! I’ve been socked, but never bloodied!</p>
<p>Backpacks can weigh 20 pounds, have rings, straps, water bottles, edges that can cut or bruise if moved with enough force or acceleration.</p>
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It’s that whole teeth getting in the way thing. If he hadn’t hit me square in the mouth there wouldn’t have been a problem, but he had good aim!</p>