独鈷石 (とっこいし) — ground stone tool from the late Jomon period (named after its similarity to the Buddhist tokko)
独鈷石
と っ こ い し
Ground stone tool from the late Jomon period (named after its similarity to the Buddhist tokko)
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独鈷石 (とっこいし) — ground stone tool from the late Jomon period (named after its similarity to the Buddhist tokko)
