Each country has its peculiarities.
I was aware of Japan's adoption of face masks to keep the flu and whatever else at bay while out on the streets and in other public spaces.
I did not know you could buy something that keeps your screaming quiet. The Shouting Vase lets you blow off steam while making it sound like a whisper.
Not sure how you carry this around though!
Keeping our emotions in check for Tokyo Thursdays # 232
(* Discovered via Japan Trend Shop, whose image of the Shouting Vase i used)