In Ancient Shinto since ancient days, which was the origin of Shinto, himorogi (worship of a sacred shrine forest, a giant sacred tree, or a forest) and iwakura (worship of a giant rock such as meotoiwa [wedded rocks] and mountains) represented by kannabi (a mountain or a forest where the divine soul resides) are not necessarily an object as the yorishiro, but also serve as borders between tokoyo (country of god or sacred area) and utsushiyo (mortal world or real world) and barriers to separate them.
太古からある神道の始まりである古神道においては、必ずしも神奈備（かんなび・神々が鎮座する森や山）に代表される神籬（ひもろぎ・鎮守の森や御神木の巨木や森林信仰）や磐座（いわくら・夫婦岩などの巨石や山岳信仰）は依り代としての対象だけではなく、常世（とこよ・神の国や神域）と現世（うつしよ・俗世いわゆる現実世界）の端境（はざかい）や各々を隔てるための結界の意味もある。