For $9, its garbage.
They do not cover any of the guided systems. Seems to be an ad for the manufacturers of the cheap portable systems that would work for a bug-out bag. They do cover electric pull through sharpeners, but I'm not in the market for one of those either.
Do a bit of research...
I've just completed my ESEE-6 Custom Kit.
While initially, I had it stuffed with survival bits, I've decided to whittle it down to just what I need
every single time I go out with this knife and with items that I can use to maintain my -6 with.
[I'm also putting together several redundancy...