1. Wash your hair as usual, apply the mousse throughout your hair and then dry your hair as usual.
2. Separate your hair into narrow strands and roll each strand up in a doughnut shape.
3. Tie the rag in the loop of the doughnut and make a soft knot.
4. Sleep on the knotted hair overnight.
5. Untie and unroll the rags and finger comb the curls before applying hairspray for more staying power.