A Monomaterial, Spring-Free Flexure-Based Carabiner - Core77

"Most [keychain] carabiners are cheap and crappy, and at best they last a few years," says mechanical engineer A.J. Huff. In a bid to create a longer-lasting one, Huff designed this spring-free, flexure-based carabiner made from titanium:

This is a companion discussion topic for the original entry at https://www.core77.com//posts/116915/A-Monomaterial-Spring-Free-Flexure-Based-Carabiner


Brilliant use of material! Single body construction for the win.