Half-Sized Tatami
Half-Sized Tatami is a weapon in the series.
A tatami is a type of mat used as a flooring material in traditional Japanese-style rooms. The term tatami is derived from the verb tatamu, meaning "to fold" or "to pile."
"Half-sized, for easy swinging. Primarily put on the ground, but an effective weapon too."
—Item descripion, Persona 4 Golden