Membership on BF has its privileges....BIG FUN
1. Elf choils...the platypus of the the Busse lineup...wth, make up your mind...are you a full choil or a sharpening notch? I don't like these aesthetically or for utility.
2. Tiny choils <sharpening notches>...makes the blade look "finished"....let's you sharpen the full length...minus>>>stringy materials get hung up in the notch.
3. Choiless...great for cutting ropey stuff like landscaping mesh and carpet...can't sharpen all the way to the tang, but that's not a huge deal-- at least the material can be "sawn" or shifted back onto the sharpened edge without getting hung up.
4. Full Choil with edge butting into tang/kick...think about the way Spyderco PM2's & Militarys are ground...perform a lot like choiless except with a bit more fore-ward control. Can't sharpen all the way to the end. But makes up for it by adding a degree of snagproof-ability-- a plus.
5. Full Choil with exposed edge...most Busse choiled models are ground this way...my favorite, for all the previously extolled reasons you guys noted and for the things Jerry himself noted. I put the middle part of my index finger adjacent to the end of the edge as a stop to keep ropey stuff from finding it's way into the choil and getting snagged kinda like a "bumper." Easiest of all grinds to sharpen all the length of the edge. Looks good, IMHO.
6. SAR 5 and HACKS...kinda in a class all by themselves...on one hand they don't have a traditional choil at all, but OTOH, one could argue they've got the biggest choil of them all-- being ALL CHOIL from the butt of the edge to the handle itself! I had a MS-e talon hole ground down like what
@freehouse32 had done. Think about Tim's ubiquitous Meaner HACK...Makes for a nice, nimble in hand, easy to index, easily maintained slicer. I like these also.