To attain spiral curls, the angle of the curling iron should be almost vertical and the roll it to the upward side
. If you are interested in tight curls you can apply hair spray to your curls before removing the curling iron from your hair. If you are interested in the wavy natured curls then after removing the curling iron from the hair allow it to cool completely. You can experiment varies types of curls in your hair by using curling iron barrels of varying sizes.