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- copycat42 commented on copycat42's instructable Headphone plug kink & break preventer3 years ago
Take the spring, and push it crosswise onto the cord (where the cord is between the coils), near the plug. Rotate the ends of the spring around the cord in opposite directions so that more and more of the spring surrounds the cord. When you get to the ends of the spring, it will be tight, but the cord will wedge the coils of the spring apart if you use enough force.