* A rope-making device [http://en.wikibooks.org/wiki/Adventist_Youth_Honors_Answer_Book/Knots/Making_rope] [http://www.youtube.com/watch?v=ba98GOaiqY0] (wood with metal rods)
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* [http://paperlined.org/prominence/vertical/prison_rope.html A rope-making device] — wood with metal rods
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* A [http://en.wikipedia.org/wiki/Marlinspike marlinspike] that fits on my key-ring. (steel, hot forged)
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* A [http://en.wikipedia.org/wiki/Marlinspike marlinspike] that fits on my key-ring — steel, hot forged