i am trying to understand, but i am not quite there. the lesco grinder and my bench grinder are extremely similar. both have a plate at an angle in front of the wheel. the lesco dealer claims that i would run the blade across in a way very similar to the way i do with the bench grinder, with the surface of the edge pointing toward the ceiling. this is where i start not understanding. are you saying that the wheel spins in the opposite direction that a bench grinder's wheel does? so it is shooting ground particles at my face? i just don't see how you could get a good sharpening like that. won't the blade keep kicking up?