Folding Coin Lasercut /Bottled Coin

Magic can be so simple, so convincing and so amazing: Imagine you are sitting with friends over a bottle of wine. The bottle has been emptied and you are asked, as is so often the case, to perform another trick. You therefore take the bottle off the table and have it examined even though it is completely unnecessary. You then borrow a fifty cent piece, also have it examined and place it on your outstretched hand. You knock the bottom of the bottle against the coin in your hand once and, in that instant, your hand is empty and the coin is in the bottle. It is amazing to see the solid coin in the bottle even though the neck of bottle is much smaller than the diameter of the coin. You turn the bottle back and forth, allowing the spectators to gape at the coin in the bottle. You then shake the bottle a little, the coin falls through the far too narrow neck of the bottle into your hand and you return it immediately to the kind person who lent it to you. And, of course, only you know that...