Videos online show people using bathrobes and rocking socks to curl their hair without heat. These are great ways to curl your hair but will damage your hair. Invest in silk! 
With Heatless Wave & Curl, you have 36 inches long of 100 % Mulberry SILK that can be used for a variety of different lengths and looks. Including 2 large silk scrunchies. It is the most gentle way to wave and curl your hair, reduce frizz and keeping your hair soft and shiny. 
Freshly wash hair & once 70% dry apply your silk band.