*Reserve Item Notice! As a convenience, you can reserve this item even though it's out of stock. It may be discontinued or just temporarily sold out. Reserve items do not qualify for a refund. If we can't ship it within one month, you'll receive a store credit for the full purchase price!
This effect is based on a very old principal that was sold under the name of VIS ESCAPE.
Arty’s new version is cleverly designed. It uses a (standard) Pop-rivet which makes it much easier to do.