Suprianto draining the blood from a spitting cobra into a potion for a customer in the kitchen at his family's home in Kediri. His father, Samijan, is a traditional healer who specialises in herbal potions that feature cobra blood, bile and spinal cord amongst other ingredients. According to the family, the snake blood is for strength and vitality, while the bile has curative properties. The family also treat snakebites, and say that in such cases it is necessary to make the potion from the same type of snake as caused the bite.
