A rather simple system this time : slip joint. We don’t really need a lock if we mostly use a knife for food.
Carbon fiber liners, much lighter than steel. Solid comic book scales, soaked in resin. I only use books written by my favorite authors. I believe American comics are never as good as when they’re written by a Brit (more subversive and not so respecful toward the “comic-code”).
Another original feature, we designed a new composite type of spring, assembled like a sandwich around a thin layer of G10 (glass fiber).
Without harming the functionality, we achieved to save about a third of the metal weight. Even more, we chose titanium screws on the pivot, lighter than steel.