3 Genius DIY Inventions for Emergency Situations – Super Practical & Easy to Make!
Make a 10,000V “paralysis ring” for self-defense, then build a super simple spot welder from a capacitor and relay, and finally craft a piston fire starter that’s hundreds of times more durable than a lighter ⚡🔧🔥 All projects are DIY-friendly with step-by-step guidance. Watch till the end and try them yourself!
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