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Re:Ask HN: What're the best-designed things you've ever used? by mpalme on Monday February 20, 2017 @11:23AM (#13688510)
Link cams are a marvel of engineering.

Thy operate on a simple concept of trisecting a cam lobe so that, as the device is retracted, the cam unfolds and permits an amazing range for a unit of its size.

http://www.omegapac.com/itemdetail.php?id=1&secid=9

Re:Ask HN: What're the best-designed things you've ever used? by oftenwrong on Tuesday February 21, 2017 @12:50PM (#13697631)
Link cams look cool, and have unmatched range, but they have a bad reputation regarding their durability. I have never tried them, though. I don't really climb hard enough to justify them. My cams are almost all C4s.