The usual height of teeth is approx. 6.67cm (this height is called Taisa), and when this height is changed to approx. 10cm (this changed height is called Kyosa), Geta is called Ashida (Taka-ashida) (taller Ashida).
歯は二寸二分程度がふつうで（大差という）、これを三寸三～四分にすると（京差という）、足駄（高足駄）というようになる。