Chisel -

At more than 8,000 years old, the chisel is one of humanity's oldest and most essential tools. Derived from the Latin word caedere ("to cut"), it has evolved from crude flint ancestors used by primitive man to the high-tech alloy steels used in modern workshops. Beyond its physical utility, the chisel has also become a powerful metaphor for character, art, and even "cheating"—where "to chisel" means to shave away or defraud someone bit by bit.

While often associated with woodworking, the chisel's design adapts to almost every hard material known to man: Why is everyone talking about these chisels? chisel