A thin body pouch for valuables is often recommended. It is best never to open your wallet and show large amounts of cash in public. Don't trust others with your valuables. In fact, it is best not to travel with expensive jewelry, watches, cameras, or luggage. If you want to become a target and attract criminals, show them how rich you are.
Con artists lean on Japanese trust, innocence, desire to help, or greed.
Con games often begin with people receiving something for nothing. If something appears to good to be true, it usually is. Unfortunately, this has resulted in a small industry dependent on ripping off tourists. There is excitement on the street. It appeals to the travelers' sense of adventure.