SIMPLE SOLUTION:
1 cup flour (wheat, corn, or rice)
3 teaspoons alum
water
10 drops oil of cloves (natural preservative)
Combine the flour and alum in a double boiler. (If you don't have a double boiler, set a smaller pan inside a bigger one that contains enough water that can be brought to a boil without overflowing). Add enough water to make a consistency of heavy cream; stir until blended. Heat, stirring constantly, until the mixture has thickened to a gravy texture. Let cool. Stir in the clove oil. Pour into a glass jar with a screw top. Apply with a glue brush.
Makes 1 cup
Shelf Life: 2 weeks refrigerated
HELPFUL HINTS:
Alum is available in the herb section of most supermarkets.
20 Mule Team Borax (found in laundry section of grocery stores) can be used as an alternative to alum.
Clove oil is found in pharmacies and health food stores.