By popular request a video showing a method for putting an acid etched pattern on a folding knife blade.
This shows how to protect the cutting edge, pivot and lock interface areas of a knife from the acid, and how to do the Pox pattern I showed off in a video a few days ago.
Video showing the end results:
https://www.youtube.com/watch?v=OnM1ZthSCqk
Post time: Jan-31-2018