This product is an update of the tiger-shaped shape of Koga's representative work, the cheek armor cup series, which is the vessel to be worn. It embodies the characteristic image of a tiger with its mouth open and threatening, and also incorporates human elements into the tiger, giving it the name Human Tiger Shape.
The cheek armor cups are filled with positive words such as "Get Stand Up," "Stay Gold," and "Silver lining" that resemble graffiti. This is Koga's message to the world suffering from the coronavirus pandemic.

The studs that cover the entire piece are punk, and the graffiti is street culture, and these are captured on the canvas of sake vessels, which have developed in Japanese culture.

Tea ceremony is a Japanese comprehensive art that developed as a form of education for the samurai class. Sake vessels developed as kaiseki vessels based on this lineage. It is a work that takes into account the history of tea ceremony, Sengoku warlords, and crafts, and expresses it as art.
Koga sees the modern era as an age of inferiority. Even in today's uncertain future, if you have the will and determination to pioneer the times, you can stand out regardless of your origins. The motif is the cheek armor, the menacing armor worn by warlords during battles, to express people's way of life and spirit. This work contains a message of encouragement for today's high-minded military commanders.
Among the many cheek armor series, this piece is inspired by Takeda Shingen, a representative legendary Sengoku warlord, and his nickname, ``Tiger of Kai.''