Akashiyaki (明石焼き) or Akashi no tamagoyaki (明石の玉子焼き) is a dumpling[?] from the city of Akashi[?] in Hyogo prefecture, Japan. Made of batter and octopus dipped into dashi before eaten, locals in the Akashi area refer to it simply as Tamagoyaki
Although Takoyaki, another Japanese dumpling, is more popular in Japan, it is said to have been based on Akashiyaki.
... or by a snap of the thumb, a person holding it in her hand can accelerate the gyroscope to incredibly high revs by following a circular wrist motion with the device. ...