chocolate disco

Chocolate Disco (チョコレート・ディスコ, Chokorēto Disuko) is the Stand of D-I-S-C-O, featured in the seventh part of the JoJo's Bizarre Adventure series, Steel Ball Run.
Chocolate Disco manifests itself as an armband on D-I-S-C-O's forearm, which has the ability to divide the nearby environment into a grid and reposition anyone caught in the grid at will.
Chocolate Disco is a forearm guard resembling a vambrace. It has a grid pattern of 26 lettered rows and 10 numbered columns serving as coordinates, similarly to the board game Battleship. Each cell can be pressed.

Namesake — Chocolate Disco (Perfume song)