You learned real fast as a dancer how much was the right amount to put on your shoes, because if you didn't put enough on, you were probably going to slip due to the low friction between your shoe and the stage.
Bailarinos aprendem bem rápido a quantidade certa a ser usada, porque, se não colocarem o suficiente, provavelmente vão escorregar devido ao baixo atrito entre a sapatilha e o palco.