An old sandal, a forgotten umbrella, a pot used for decades: in Japan, it was believed that objects too old gained eyes, a mouth, and a will of their own. If they were well cared for their whole life, they become grateful and even playful. But if they were thrown away disrespectfully, with no care at all, those same objects might come back to take revenge on whoever abandoned them.
Old household utensils — umbrellas (karakasa-obake), lanterns, sandals, instruments, screens, pots — that on aging acquire eyes, mouths, limbs, and a will of their own. They may be playful, grateful, or vengeful against those who discarded them carelessly.
Within the folk and mythological corpus compiled by the Codex Monstrorum, the creature Tsukumogami occupies a distinctive role in the symbolic imagination of its culture of origin. Its mythos articulates primal human anxieties, the mystery of untamed wilderness, and social norms preserved through the lens of bestiary literature.