Chances are you’ve heard of double edge razors. They win accolades and airy fairy titles that have folks oohing and aahing over them. But have you heard of their slimmer brethren—the single edge razor ...

At some point in every shaving man's life, the moment comes when he looks himself in the mirror and asks: “How many blades are enough?” From the time a caveman first laid a piece of chipped flint ...