Okay, played a little more with this (knife defense) thing yesterday.
I still couldn't get the traditional U-shape knife tapping thing to work well. I'm not sure what I'm doing wrong, but I simply miss or take too long with my parries. The cross-side tan/gan is still just awkward for me. Going to keep practicing and see if I can't make it functional, though.
What I
did have success with was simply grabbing the knife arm/hand in any way possible, and then transitioning into a lock or disarm. And I'm not even good at locks/disarms
I also used the "dog catcher" technique... At least, I think that's what it is. I'm assuming it's basically the same as the Gracie technique shown here?
I tried looking up the "dog catcher" and didn't find much. I did see someone using a reverse tan in conjunction with a gan, even for your standard high line thrusts, and cutting down into the traditional U-pattern to get to the outside. That's very similar to the gracie technique, and I could see how it would potentially easier to intercept with.