It is one of the peculiarities of the Japanese (mostly women, but also men): they're very self-conscious when it comes to the noises they make when they are on the toilet. Many Westerners are too, of course, but not to the extent that they create a device that makes the sound of flushing water to cover the sound their bodies make. Yes, the On Serebu Toilet Noise Blocker is one such gadget!
The word "serebu" in On Serebu Toilet Noise Blocker's name means "celebrity". Add that to the heart shape and the three colors (pink, gold and silver) and it's obvious that every effort has been made to make it look like a fashion accessory. As for its use, nothing could be simpler: when the time for sound disguise comes, you just switch to "ON" and you let it fill the room with the sound of flushing water. When you're done, you put it back to "OFF" and the sound stops. And then whatever happened in the toilet, stayed in the toilet, so to speak.
The On Serebu Toilet Noise Blocker features: