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How to make a DIY shock pen or lighter or chewing gum prank circuit
Open-end shock tube facility How to make a diy shock pen or lighter or chewing gum prank circuit Shock tube open split hopkinson bar schematic pressure facility indicate lines gun test green used blue red
What's inside a shock pen
Pen shock inside .
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What's inside a Shock Pen | What's Inside - YouTube
How to make a DIY shock pen or lighter or chewing gum prank circuit
Open-End Shock Tube Facility