There's a huge industry devoted to non-metallic knives, and for good reason (at least where they're still legal). Phil Elmore explains why new technology from a company named Evolv has recently changed things FOREVER when it comes to staying legally armed in Non Permissive Environments (NPEs).<br />...<br /><a href="https://www.youtube.com/watch?v=GJRhGjD30kw" target="_blank" rel="nofollow">https://www.youtube.com/watch?v=GJRhGjD30kw</a>