Kanawa Tsugi
A scarf joint reinforced with a metal collar to resist bending and seismic stress. Revered in temple restoration.
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Joint profile
Kama Hozo 鎌ほぞ
A sickle-shaped tenon that locks two timbers at right angles with elegant geometry and strong compression.
Assembly insights
Kama Hozo uses a curved tenon shaped like a sickle (kama) to create a corner connection that resists racking and twist. The geometry channels force through the joint rather than against fasteners, making it ideal for furniture and frames where metal hardware is avoided. Contemporary designers have adapted it for wedged half-dovetail connections that allow disassembly.
Applications
- Table legs
- Cabinet corners
- Tea house framing
- Contemporary furniture