2.75mm Sterling Glow Cord (http://www.ems.com/1/1/3477-sterling-2-75mm-glow-cord.html) make for fantastic lanyards that will glow when hit by a light.
I use it on my lanyarded items (knives, compass, survival kit, etc.) on tent fly ropes and as clothes line when camping.
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Our most important survival tool is our brain, and for many, that tool is way underused! SBRaider
Head Cat Herder