This mask is designed by the artist of Nepal. The big statue of Swet Bhairav is found in the swat Bhairav Tempe of Kathmandu Which is hidden throughout the year with wooden curtain and taken out only during the Nepali festival name Indra Jatra. The concept of this wooden Swet Bhairav mak is from the Swet Bhairav Statue.
It is believed that Swet Bhairav will protect the world from all threats. Swet Bhairav is the most dangerous form of Lord Shiva.