Had my Small Inkosi for several weeks(couple months?) Just maintaining it with the Sharpmaker and the strop, it worked pretty well. Then it started to be more difficult to get a good edge. Reprofile time! I don't use my old Edge Pro much, but it does a fine job. Set on the 20deg mark(yellow), got a nice clean edge. Afterward, just to test it, touched it on the white rods of the Sharpmaker and got a burr right away. Great! Back in business. I noted that with the Small 21, I had to remove the stud to reprofile, but the Inkosi it was not necessary, I guess the stud location moved. Good thing, I don't think I can remove the double studs without ruining them. Good on the Inkosi!