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Survival screwdriver

Step 1: DIY Survival Screwdriver

Can be hung on a key chain, can be used to open the emergency doors and fixing screws and other screws.

Step 2: Materials and Tools

Nails, abrasive, iron, scissors, copper, steel
Important: Use concrete nails. Hard nails.

Step 3: Process

Nail the ground screwdriver.
Grinding behind two recesses,
Use wire, stuck groove, and wound brazing copper and fixed in a circle.

Step 4: Use

Use
<p>nice. What's the other with a Phillips screw hanging in. Your. Keychain?</p>
<p><iframe></iframe></p><p>非常好用</p>

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