Tsugite

金輪継ぎ

A scarf joint reinforced with a metal collar to resist bending and seismic stress. Revered in temple restoration.

腰掛蟻継ぎ

A lap dovetail joint balancing speed of assembly with dependable shear resistance.

腰根継ぎ

A basic scarf joint for lengthening timbers, featuring interlocking shoulders that prevent separation.

送掛大栓継ぎ

An oblique housed and rabbeted scarf joint with through-tenon keys, used to join timbers end-to-end for foundation and structural work.

根継ぎ

A repair technique for splicing rotted posts and columns using wooden joinery alone—no nails, glue, or metal fasteners.

切り付け継ぎ

A simple oblique scarf joint joining two members with opposing tapered cuts for lengthening timbers.

台輪継ぎ

A stepped scarf joint with scalloped or fish-scale profile, used for beam extensions in traditional framing.