What is rabbit out the hat?

"Rabbit out of the hat" is a popular magic trick where a rabbit is produced seemingly out of thin air from a hat. It has become a commonly recognized and iconic symbol of magic and illusion. The trick has been performed for centuries in various forms and has been used by numerous magicians, including Houdini and David Copperfield. The trick typically involves a specially-designed hat with a hidden compartment or trapdoor that allows the rabbit to be concealed and then revealed to the audience. In modern times, the trick is often used as a metaphor for solving difficult problems or finding unexpected solutions in various fields of work.