Nah, for long blades I don't use the angle guide, just hold the hone by the handle and swipe it along the blade or swipe the blade along the hone, free-hand. Keeping a steady angle is more challenging without a guide and a wide hone, but it's fairly easy to establish a razor-sharp micro-bevel this way. HOWEVER wider hones are less effective on recurve blades like that SOG, round or triangular hones like on the sharpmaker or the serration-rod from the DMT deluxe kit (or that specific diafold) would be better for that.
Personally i have no experience with the sharpmaker, just other crok-stick set-ups, and i prefer my DMT kit. Most of the time I don't use the angle-guide but it is there in case i want to establish an even bevel on a short blade. You get more for less $$ with the DMT Aligner Deluxe kit and can even add another hone-grit for the same price as a sharpmaker. The DMT magna-kit is more expensive, lacks the rod for recurves/serrations, and includes the EE-fine hone which you may never need (I stop at E-fine for all but shaving razors) but the hones or easily pocketed in their own handles for free-hand use as described above. If I were to make the purchase again, I'd get the 4-hone magna-kit since I don't use many recurves and like the free-hand pocketability of the hones. Just my $0.02.
