You show a small wooden box with two doors and a small ring. You then request a spectator to place the ring inside of the box, close the door and shake the box to his heart's content. The ring couldnow be anywhere in the box. You then take a small wand (i.e. long needle, etc.) and pass it through the slots on the sides of the box. When the box is opened the ring is on the wand. You were able to pierce through the ring even without seeing it. Amazing!!!!
Everything is examinable at all times and the trick can be repeated again without any set up.