The term refers to a specific aesthetic pairing found across the tsuka (handle) and its associated fittings. The black element typically comes from tightly wrapped black ito (cord or ray skin) over the tsuka, while the gold refers to the tone of metal fittings — fuchi, kashira, and menuki — finished in brass, gilt, or gold-toned alloys. In better-quality collectible tantos, the menuki (decorative handle ornaments) are often cast with detailed motifs such as dragons or phoenixes and then given a warm gold finish that contrasts sharply against the dark wrap. This pairing is rooted in Edo-period aesthetics, where visual contrast in blade mounts signaled both taste and status. For display purposes, the black-gold combination photographs exceptionally well and holds visual impact across a wide range of lighting environments.