It was thought that the gods arose not only out of nature or happiness, but also--as seen in the case of Tsukumogami--choose to dwell in living creatures that had lived for a long time or even in man-made tools that had been used for a long time.
また自然や幸せに起因するものだけでなく九十九神に見られるように、生き物や人工物である道具でも、長く生きたものや、長く使われたものなどにも神が宿ると考えた。