Sori, the curvature of a Japanese blade, can range from shallow to deep, with the most pronounced part of the curve varying along the entire length of the blade. There are different types of sori, each associated with specific periods of…
Yasurime, decorative file patterns on the tang of a Japanese blade, are more than just an aesthetic detail—it’s a vital clue in uncovering a sword’s history. These patterns, unique to individual swordsmiths, schools, and historical periods, serve as a silent…
Hi (grooves) found on Japanese blades are not only highly functional but also serve as indicators of the blade’s swordsmith, swordmaking school, or production time, making it crucial in sword appraisal. These grooves vary greatly in shape, ranging from wide…
The togishi (研師), or sword polisher, has held a vital role in Japan for centuries, dedicating their meticulous craft to refining and preserving Japanese swords. Depending on the sword’s condition, their labor-intensive process can take several days or even weeks to complete.…
