This trowel mound was completed in November of 2005 (Heisei 17) as a facility dedicated to trowels, the soul of plasterers, and the Japan Federation of Plastering Associations became the construction body. The building is a yen system with a height of 5.5 m and a diameter of 3.4 m. Based on the design and technology of Mr. Katsumi Kimoto (chairman of the construction committee), we are particular about traditional plastering techniques, and it is a building that brings together the best of plastering techniques both inside and outside the building.
　At the time of the implementation, plasterers from the Kanagawa Prefectural Federation of Plastering Associations took the lead, and together with plasterers from Matsuzaki Town, Sea cucumber walls on the exterior walls, blue sea waves washed out on the entire surface, and the ceiling with the center decoration of the phoenix are plaster die-cut with star cloisonne, dragon tiger and peony flowers, and a flock of flying cranes are also skillfully painted. The word "Kozuka" displayed on the front is the paintings of Takuboku Terayama by Junichiro Koizumi, the prime minister of the time. Restrooms available is the only nationwide trowel mound in Japan, and the one built by plastering is unparalleled. Inside the shrine, there is a Dedication of the 60 cm size "Soul Trowel", which was hammered by a trowel blacksmith for this purpose, and is the only black hammer in Japan.