Preheat oven to 150oC. Grease a baking tray.
Combine sieved flour, rice flour, sugar and salt in a bowl. Rub in butter and knead gently until a smooth dough forms.
Transfer onto a floured surface. Carefully roll to desired thickness and using a cookie cutter, shape into stars.
Place onto greased tray and prick with a fork. Bake in the oven for 20-30 minutes or until light golden. Allow to cool.
Stack biscuits on top of each other and tie with string.