Wash a doe of non-glutinous rice and pound. Make cake with the powder and cool down. Add a bowl of water and a doe of yeast powder to the cake and knead thoroughly. Wash 18 liters of glutinous rice and steam to be done 4 days later. When it is still warm, draw the crude liquor and put this into a jug. Wrap the jug with blankets and leave in a warm place and wait till it is done. If you want a bitter taste, do not wrap the jug and leave in a cool place. For more amount, measure the materials according to this instruction.