Foil shavers have an extended nickel-plated crossbar, with a bunch of small holes that receive the whiskers and which protect skin from the particular razors. The primary difference is that oscillating blades (foil shaver) shift fast in a backwards and forwards movement, as opposed to rotary blades which spin. It https://angelokyisb.onesmablog.com/not-known-details-about-multifunction-electric-shaver-70054003