Keywords
Architecture
Tea Houses
Also *nijū orekugi 二重折釘. A twice bent nail that is used under the ceiling molding or under the attached lintel for hanging scrolls. They are created by first bending them 90 degrees and then a second time.
If set in a channel, musō shibuichi 無双四分一, nails of this type can also be moved to the left or right and are also used for hanging scrolls in an alcove. In this case, they are called inazumahashiri kugi 稲妻走釘 (running right angle hook). The bottom part is inserted through the opening in the web of the channel, and the prongs are bent so that they hang on the edges of the web. When a pair or set of three scrolls is hung, these special nails can be slid to the position needed.