The BladeForums.com 2024 Traditional Knife is available! Price is $250 ea (shipped within CONUS).
Order here: https://www.bladeforums.com/help/2024-traditional/
There actually did used to be a plastic-handled knife with an Opinel-like locking ring. I don't recall exactly, but it may have been a kershaw.
-Bob
Could be. And it's CV also, perhaps just what znode is looking for.I believe that was the Cold Steel Twistmaster?