Omusajja ataddewo ekibatu kye mulimu ruber band, ebikomo ebikomo biri mu kibatu kye omukono ng'agutadde mu kitambaala ebiri mu kkala eya bbululu n'ebimyufu. Obukomo buno bungi buli mu kkala eya yellow ne bbulu ne green, obutambaala buli mu kkala ya bbulu bulimu ebimuli ne red era mulimu ebimuli