The FERST Name In Magic
The Floating Fork Illusion
Place pointer over picture for gimmick
Worlds Strongest Person
Have a volunteer put one hand on top of the other
Magician then pushes  top hand off  bottom hand using only one finger. Now have volunteer do the same to the magician. It will be impossible.
(Place pointer on photo to see the secret)
ALL CUPS DOWN
Fig A
Fig B
Set up 3 cups exactly as seen in Fig A
Flip over 2 cups at a time. Repeat this 3 times untill all three cups are down. (Fig B)
(almost any combination will work)
Now have volunteer try to duplicate this effect. It will be impossible.
The Gimmick: Arrange cups as below in Fig C. The volunteer will never notice.
Fig C
NEAT  TRICKS