Hasthalakshanadeepika is a detailed treatise on various mudras or hand signs used in dances. There are 24 basic Mudras mentioned in this text. These Mudras are used in the classical dance dramas of Kerala, like Kathakali, Kutiyattam, Nangiarkoothu, Mohiniyattam and Ottanthullal.

Oornaabha mudra is one in which all the fingers are separated and curved in the shape of a spider’s legs.

Some signs shown in the Oornaabha mode using both palms indicate : Horse, fruit, fox, butter, snow, many and lotus.