Show an ordinary Pen to be completely solid.
Explain about people who bend spoons and keys by mental concentration.
As you are talking, the pen becomes FLEXIBLE, bending like rubber.
The pen is rubbed one more time and becomes SOLID!
The pen may now be handed to a spectator for total examination!
Only one pen is used.
Nothing is added or taken away.
The pen is usable for everyday use.
The pen is totally examinable.
Can be instantly reset.