If soiled, they may be cleaned in gasoline or soap and water, using a
brush. Do not rub or wring. Hang up to drip dry, or wind tightly around
a bottle and leave to dry. Do not press until after twenty-four hours,
if cleaned in gasoline. To produce extra stiffness, rinse in a weak
solution of sugar and water. It is also very easy to change the color of
ribbons by using any of the commercial cold dyes.