Clamp for Double Frame Moulds 24mm ChocolateWorld The Clamp for Double Frame Moulds 24mm ChocolateWorld is a handy tool for making chocolates. If you need to make a double bonbon, it is sometimes necessary to use two moulds. You use the two shapes, for example, when making Easter eggs or 3D chocolates. The clamp makes it easy to join these two shapes together. The clamp has a length of 2.4 centimetres.