How to use hair rollers? 1. Using a wide tooth comb, gently brush a section of the hair you would like to curl. 2. Spray some water on the section of hair. 3. Use the rat tail comb to separate a small section of slightly damp or dry hair. 4. Wrap the section of hair around the flexi rod several times, and roll the flexi rod up towards the scalp. 5. Bend the ends of the flexi rod to hold the hair in place. 6. Repeat Steps 1 through 3 to complete curling your whole head. 7. Keep it for 1 hour to 2 hours.If you use a hairdryer, the wave will form faster. 8. Release the flexi rods and let your curls unfurl!