User blog comment:Anon421/Small Hints About New Weapons in Chapter 7 Part 2(?)/@comment-37875052-20190714183534/@comment-37875052-20190715034909

I don't know if we can do that in the game or there will be a perk like pluck to do it. But the grooves on the blades are very useful for grabbing an enemy weapon and disarming him.