This refers to a tooled joint with a semicircular cross-section. The intersections of vertical and horizontal joints are formed with frog-leg stuts (kaerumata). A special trowel is used for concave joints, and work is done by experienced craftsmen. The widths of the vertical and horizontal joints are different, with the vertical joints at 9mm and the horizontal joints at 7.6mm.
Figure: Frog-leg stuts
auto-translate 镀金的接头 [fukurinn 白鹭]
打竖缝和镀金的接头构造形状交叉口横盘区，被称为蟇股 (kaerumata) 和用于砌体抹灰和技术娴熟的工匠和施工缝宽度和垂直并列第三 (9 毫米) 和横向 (7.6 毫米) 与 2 五换挡时间变化方面。
地图: 蟇股 (kaerumata)