It was frequented by expatriates; there were almost no Japanese there. Figures seen there were African sailors, Lonny Zone's whores, Wage with his joeboys, and Case. On weeknights it attracted a dealing clientele. On Fridays and Saturdays it was flooded by sailors from the Chiba port and specialists preying on them.
In Japanese, chatsubo (茶壺) means "tea bowl".