Foil shavers have a protracted nickel-plated crossbar, with a lot of little holes that get the whiskers and which protect skin from the particular razors. The real difference is always that oscillating blades (foil shaver) transfer quickly within a back and forth movement, as opposed to rotary blades which spin. https://fernandobcvoc.dgbloggers.com/30164496/the-definitive-guide-to-multifunction-electric-shaver