It is a wiring for buttons and joysticks that can be used with Brook Fighting Board series products.
Each wiring is summarized in a length that is easy to use, and the GND wiring is also a unit, making it a very comfortable configuration in the controller housing.
In addition to the eight buttons on the lever and top, the L3R3 and wiring with connectors to be routed to the touchpad are also included.
It is also recommended for those who use an arcade controller to operate a game that uses the touchpad as a button.
It is a recommended Brook official support part for those who want to finish wiring easily.