Apart from the artistic skills displayed by the Japanese artists, the Japanese craftsmen are well-known for their ancient carpentry skills as well. The ancient Japanese architects used their woodworking skills to create complex and intricate furniture as well as huge buildings without using any nails.
The conventional Japanese carpentry group Kobayashi Kenkou explains the art of joining two huge wooden beams without any chemical, nails, or even machines. The mortise joint shown in this video gives strength and a longer life to wood.
