Blackout Questions

[mikehopkins]

What is the metel dingus in what i thought was a lanyard hole's function?
Anybody ever moded a Blackout? If so, what mods?

 

[turk.919]

When you go to take the knife apart you rotate the scale on that metal piece. Dunno why, I about snapped mine in half figuring out what it was. If I still had mine I would post pics.