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[–] 6 points 7 months ago (2 children)

Definitely don’t crush a spark plug and throw a piece of it against their window, though. Shattered glass is dangerous.

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  • [–] 2 points 7 months ago (1 child)

    I've tried this and it doesn't work for shit. Maybe I needed bigger pieces? But it would just bounce off with no damage every time.

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  • [–] 1 point 7 months ago

    "Ninja rocks" is what they called the broken ceramic bits from spark plugs because you can throw a handful of them at a window, and it damages the glass without breaking it. When you do break the glass by hitting it after, it shatters more quietly.

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