The greatest tricked I learned about the KME is not to bear down too hard. Smooth even strokes seem to work best whatever sharpening method is used. For some reason, though, broadheads are just more difficult overall to sharpen than knives, at least for me.
Every time I sharpen a new head, the same question comes to mind. Is it really necessary to have super hard steel since it is literally a one shot deal? If it holds up for that one shot, all is well. For example, the old Razor Heads work just fine without being so difficult to sharpen - just look at Fred Bear's accomplishments. That characteristic is one of the reasons I like Zwickey. Easy to sharpen. I don't mean to put down anybody's choice of heads, but it seems that this topic gets more hype than is necessary. I might change my mind if I can ever get the super hard steels scary sharp.