Straight razor King C. Gillette: a double-edged safety razor with replaceable blades. These new safety razors did not require any serious tutelage to use. The blades were extremely hard to sharpen, and were meant to be thrown away after one use, and rusted quickly if not discarded. They also required a smaller initial investment, although they cost more over time. Despite its long-term advantages, the straight razor lost significant market share. As shaving became less intimidating and men began to shave themselves more, the demand for barbers providing straight razor shaves decreased. Since 2012, production of straight razors has increased multifold. Straight
Hitchens's razor Hitchens's razor Hitchens's razor is an epistemological razor asserting that the burden of proof regarding the truthfulness of a claim lies with the one who makes the claim, and if this burden is not met, the claim is unfounded, and its opponents need not argue further in order to dismiss it. The concept is named, echoing Occam's razor, for the journalist and writer Christopher Hitchens, who in a 2003 "Slate" article formulated it thus: "What can be asserted without evidence can be dismissed without evidence". The dictum also appears in "God Is Not Great: How Religion Poisons Everything", a book