The blade and spring are damasteel. The bolsters, pins and liners are stainless and the scales are mammoth ivory. I have been wanting to make one of these since I found out about them a couple of years ago. The damasteel is from winning the giveaway BossDog ran a while ago. I finally put it to good use I think.
More pics and a video of the mystery lock in action to follow.
![usnfinal01.jpg](http://knives.mutantdiscovery.com/usnbuildoff/usnfinal01.jpg)
![usnfinal02.jpg](http://knives.mutantdiscovery.com/usnbuildoff/usnfinal02.jpg)
![usnfinal03.jpg](http://knives.mutantdiscovery.com/usnbuildoff/usnfinal03.jpg)
![usnfinal04.jpg](http://knives.mutantdiscovery.com/usnbuildoff/usnfinal04.jpg)
![usnfinal05.jpg](http://knives.mutantdiscovery.com/usnbuildoff/usnfinal05.jpg)
![usnfinal06.jpg](http://knives.mutantdiscovery.com/usnbuildoff/usnfinal06.jpg)
![usnfinal07.jpg](http://knives.mutantdiscovery.com/usnbuildoff/usnfinal07.jpg)
More pics and a video of the mystery lock in action to follow.