What's in Feng Shui copper gourd's stomach? What can be put in copper gourd to ward off evil spirits?

What's popular on the Internet? These are all fallacies. No matter whether the opening of Buddhism and Taoism is only aimed at seven things, the rest can only be regarded as blessing mana. If you ask someone with high mana to bless the gourd, or put spells, incense ashes, cinnabar, etc. In the gourd, you can improve its evil spirits.