Shoheki walls were placed right above the murals of the above-mentioned 12 walls, that is, between the kashira-nuki (head rail, wood connected horizontally through crossing the top of the pillars) and the ceiling.
上記12面の壁画のすぐ上、すなわち頭貫（かしらぬき、柱の頂部を水平方向につなぐ材）と天井の間の小壁面があった。