In this video, we melt crucible steel from a spring. From the resulting ingot we make a chopper knife. We decided to make a knife handle from a particularly durable material - carbon fiber. The knife ...

Steel springs are designed to resist force, making them brutal to forge. Each spring must be cut, stacked, and welded under extreme heat to even begin bonding. The steel constantly pushes back, ...

Pocket-sized multitools are a dime a dozen, but the Swiss Army Knife is an icon. Its name is shorthand for versatility and its cross-emblazoned red handle has gone to the North Pole, to the top of ...

Learn where your knife falls on the HRC scale—it matters more than you think.