The most effective way to ward off evil spirits with tiger bones.

Make it into jewelry to wear. Jewelry made of tiger bones has many meanings, such as avoiding evil, praying for wealth, punishing evil and promoting good, and getting married. However, the state has relevant regulations: it is forbidden to sell, buy, transport, carry or mail rhinoceros horns and tiger bones. Therefore, it is recommended not to buy or sell tiger bones. The answer is for reference only, please don't be blindly superstitious.