Obsidian can obsorb the negative energy from people's body, so it is good for health to wear obsidian jewelry  Pi Xiu is a good luck creature, and it is the ninth son of the Heavenly Dragon whose task is to provide the blessings of good finance and wealth. A very fascinating fact about this lucky creature is that it does not have an anus, so that, despite its never-ending appetite, things go in yet never come out. This is a unique symbolism, indicating that money will come to you but never leave. The Pi Yao is found in many places, such as banks, casinos, and finance companies - anything that has to do with a benefit from monetary gain. Since ancient times, when it served to safeguard the homes of emperors and government officials, the Chinese have always admired and respected this extremely good luck symbol. It is a very loyal creature, and will always attempt to rid its owners life of bad luck and replace it with wealth.