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Re:First Mechanical Gear Found in a Living Creature by sliverstorm on Thursday September 12, 2013 @05:55PM (#6377238)
If your line is out, and you take up slack and the fishing pole starts to bow, the loops are indeed functioning as pulleys.
Re:First Mechanical Gear Found in a Living Creature by jlgreco on Thursday September 12, 2013 @06:00PM (#6377275)
Absolutely, in the technical sense, though I would hesitate to actually describe it that way. It seems strange.

Alternatively, shoelace eyelets are pulleys ('block and tackle' in fact) , but describing them that way seems odd.