http://en.wikipedia.org/wiki/Inr%C5%8D
“Because traditional Japanese garb lacked pockets, objects were often carried by hanging them from the obi, or sash, in containers known as sagemono (a Japanese generic term for a hanging object attached to a sash). Most sagemono were created for specialized contents, such as tobacco, pipes, writing brush and ink, but the type known as inrō was suitable for carrying anything small… Consisting of a stack of tiny, nested boxes, inrō were most commonly used to carry identity seals and medicine…”
Shares a spiritual kinship with the Scottish sporran!
http://en.wikipedia.org/wiki/Sporran