Today I tried an experiment. I keep my Gibbs adjustable for those parts of my wattles I cannot do with a straight. But today, having punched up a pack of Wilkinson DE blades with the peculiar notch to fit the Gibbs, I experimented. My usual soap and brush, well washed face, and managed to nick myself twice, in areas where I never have trouble with my straights.This particular blade had the worst notch of the batch, ugly, but it fits. Anyhow, I will use the Gibbs only on my throat in the future I think. A gorgeous little gadget but . . .