Just completed 3rd straight shave,even though razor is taking off hair I no way get a close a shave as I do with my DE's.Using the razor on the inside of my forearm to test sharpness it takes off hairs no problem but when shaving the beard it does not seem to be as sharp as the feather blades in my DE.How sharp does rhe straight need to be, is the angle of shaving, am I using too light amount of pressure? Thanks.