Mini Harmonica Chop Cup (Aluminum) by Leo Smetsers - TrickThis aluminum harmonica chop cup is a dream for every magician and a first class magic prop. The cup is foldable and returns to normal size in no time. All cups are handmade and polished in different ways, after it's finish on the lathe, which leads to a perfect and stunning result. A unique feature is the rubber band around the cup. It offers a firm grip, but can also be removed easily. You can carry the harmonica cup in the pocket of your jacket or