Introduction: Survival Screwdriver
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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
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Portable Workstations Contest