Ring Wringer

You borrow a finger ring and put it inside the Ring Wringer, telling the audience that the ring can be polished by turning the handle. The spectator turns the handle and after a couple of turns you suddenly stop him/her, as if something went horribly wrong. You turn the Ring Wringer upside down onto the spectator's outstretched hand to reveal that the ring has vanished - you can pour glitter/gold dust onto their hand.
The ring can now be produced elsewhereby your favourite method.

> Great for children and adult audiences
>> Can be performed with a borrowed ring, signed coin, etc.