I just found this while searching for something else...
http://www.belt-buckle-knife.com/
It's definitely an interesting piece. The knife itself looks to be of lower quality, but the knife is not the main feature, really. The owner/designer has certainly got the motion down pat (check the video). The knife moves like a part of his hand. I wouldn't recommend the stabbing the guy behind your shoulder trick, but the access/open/close certainly has no wasted motion.
Check the speed at which he accesses and opens the knife. Now, imagine putting that buckle design together with an assisted opener. heh, heh. Now you got some fast opening!
http://www.belt-buckle-knife.com/
It's definitely an interesting piece. The knife itself looks to be of lower quality, but the knife is not the main feature, really. The owner/designer has certainly got the motion down pat (check the video). The knife moves like a part of his hand. I wouldn't recommend the stabbing the guy behind your shoulder trick, but the access/open/close certainly has no wasted motion.
Check the speed at which he accesses and opens the knife. Now, imagine putting that buckle design together with an assisted opener. heh, heh. Now you got some fast opening!