The Kuromatsu tanto with koshirae is named for a species of Black Pine (黒松) that grows near the seaside in Japan. The bark changes from grey to black as the tree matures and ages, symbolized by the colour and contrast of the… Continue reading
Kuromon can be translated as “the black gate”. Designed around the concept of textural exploration as a companion project to Kuromatsu Aikuchi Tanto, this tanto with koshirae is a bold yet restrained piece that has the austere simplicity that appealed to the… Continue reading
The bright orange moon of late Summer and early Autumn is the inspiration for this work. Tsukimi means moon watching, and brings to mind a lovely harvest moon and the rustling sounds of the dry, frost coloured susuki grass as the evening… Continue reading
Uzumaki means a spiral or whirlpool shape and refers to both the triple wave whirlpool shape of the bronze accent around the mekugi and the spiraling wrap of the gangi-maki handle. It also alludes to the cyclical nature of the history and… Continue reading
Until it survives the hardening process, a tanto is only a piece of steel, not yet a blade…read more about this transformational stage: Yaki-Ire (Clay Tempering)
The geometry of a tanto blade is simpler to describe than the tang, though it has more subtleties and nuances. The three main characteristics I want to focus on are tip shape, spine thickness, and bevel geometry. While kata document the profile… Continue reading
The geometry of the nakago (tang) is very important as the assembly of the knife hinges on the correct form and construction of the tang. Viewed from the spine, the thickest part of the blade is at the machi (notches) and there… Continue reading
**The heating time has been edited out and some of the tang work is missing due to battery issues.
The blade shape is based on the Aizu Shintogo kata: islandblacksmith.ca/2014/04/aizu-shintogo-kunimitsu-tanto-kata/
Making the most of the fire, hammer, and anvil to prepare the steel to be refined and smoothed…read more about this foundational stage: Tanto Blade (Forging)
In a sentence, thermal cycling, or normalizing, is the metallurgical technique of reducing visible grain size by repeated cycling of steel from near its critical temperature to ambient temperature. Several years ago I wondered how traditional Japanese smiths were able to produce… Continue reading
This piece was named for the way the natural spalting design of the saya is reminiscent of an ink painting of waves washing on a sand covered shoreline. It also commemorates the fact that the woods used for the handle and saya… Continue reading
scroll down or jump to the sections below: Blade Sunobe Hizukuri Ara-shiage Hardening Clay Mixture Tsuchioki Yaki-ire Polishing Kaji Togi Shitaji Togi Habaki Forging Filing Bending Soldering Handle Seppa Nakago-ana Sokui Core Tsuka Tsukamaki Mekugi Scabbard Inside Outside Assembly Forging a Kotanto… Continue reading
This is an experiment I did as part of a prototyping project, and was intended to satisfy my curiosity on the performance of sokui (続飯) or rice paste glue. The natural glue contains nothing but delicious Japanese rice and a little bit… Continue reading