Polished Coin by Jonio - TrickA JONIO style karate coin. Many magic enthusiasts have seen it performed in the French Drop 20th Anniversary Online Show and witnessed how it blew the audiences' mind. The coin is polished with a pocket size handkerchief. As the coin is being polished, the handkerchief sinks in the coin and finally penetrates it. Here is the part even magicians would be surprised: the audience can see from the front that the handkerchief stays in the coin all the way