What makes a wave blade wakizashi different from a standard one?
Updated Mar 2026
The distinction lies primarily in the blade's surface treatment. A wave blade wakizashi features intentional engraving - known as horimono - carved along the flat of the blade or the shinogi-ji, depicting flowing water or crashing surf. This is a separate decorative element from the hamon (temper line), though on high-quality pieces like those made from T10 or 1095 carbon steel, both features appear together. The hamon itself is a natural byproduct of the clay-tempering process and creates an undulating line along the edge; combined with hand-engraved wave motifs, the result is a blade with multiple layers of visual depth that a plain-ground wakizashi simply does not offer. For collectors, this combination is what drives display value.