At the beginning of the game the ball was thrown onto the court by hand, and from that moment it could only be touched with the hips and thighs. The ball for the game was made from liquid latex extracted from rubber trees. The weight of the ball varied between 3 and 5 kilos. Each player had his own ball as part of his personal equipment. 比賽開始時，球是用手扔到場上的，從那一刻起只能用臀部和大腿觸球。比賽用球是由從橡膠樹中提取的液體乳膠製成的。球的重量在 3 至 5 公斤之間。每個球員都有自己的球作為個人裝備的一部分。