i never kena one, because usually the one who did this is the wives. they wanted to take complete control of their husband you see, because the wives afraid that the husband will go sneak behind her back.

the wive will cook the rice, and put it under her kangkang. the heat from the rice will make the kangkang sweat, and the sweat will drop into the nasi. read some jampi serampah puja syaitan etc, then serve to husband. profit. the husband will be the lamb of the wive