How do you curl youre hair with a straightner?

ive tried it but i just cant seem to get it right any techniques i should use?How do you curl youre hair with a straightner?
Hope this helps =)





http://www.youtube.com/watch?v=Nz4Giq66dUQ (more defined curls)





http://www.youtube.com/watch?v=KTB1MOb2TYs (beachy waves)





bubzbeauty also has great tutorials for curling your hair with a straightner =)