] It has happened to many of us: you take your seat in a
] public toilet and, just as nature is about to take its
] course, someone enters next door.
]
] Cue exaggerated coughing and throat clearing in an
] attempt to drown out the cacophony that sometimes
] accompanies one of nature's great levellers. Women in
] Japan, however, no longer have to suffer the indignity of
] having their movements echo through the ladies' room.
]
] With a flick of the hand, they can call on the Sound
] Princess.