"The smallest knob was influenced by the proportions of an insert nut. The blackened steel one is inspired by block plane knobs. The inspiration for the brass one is a bit vague: It's meant to look like a component you'd find in a toolbox and don't really know what it's for, but one day find a use for. The beech knob references elaborate saw handles. And the color and form of the D-shaped one are directly inspired by tin snips."