the.com/knives
humanity's oldest tool, still sharper than most of our ideas.
ancient edgestone knives predate Homo sapiens by millions of years
folkloregiving a knife as a gift supposedly severs friendships
sharpness limitthe sharpest edges are mere atoms wide
obsidian rulesobsidian blades cut finer than surgical steel
table mannersrounded dinner knives exist to stop tavern duels