How do you remove a screw when the head has snapped off?

How do you remove a screw with no head from wood?

https://www.youtube.com/watch?v=Q6h5uLmjUN8

Related Posts:

  1. Can you burn pressure-treated wood?
  2. What type of screw should I use with pressure-treated wood?
  3. Can you use a coat of paint on wood? Is it good for Wood?
  4. The Best Paints for Exterior Wood: Oils orAcrylic.