Add texture by spritzing a thickening spray like Aveda's Pure Abundance Style - Prep to your roots before you blow - dry and wrapping random sections of hair around a large - barrel curling iron. (allure.com)
I just wrap random sections of the lower half around a curling iron for waves.» (health.com)
When finished curling, lightly go over random sections with the Kardashian Beauty flat iron, creating a non-uniform curl pattern. (thechrisellefactor.com)