People who always have nightmares are because the sleeping place is dirty. Is it really useful to put evil spirits under the pillow?

Some people always have nightmares, because the sleeping place is dirty and there are unclean things, so they should always clean, ventilate and bask in the sun, or put evil spirits under their pillows.

Friends who have read tomb-robbing novels must know that dog teeth can ward off evil spirits, because dogs can see things that humans can't see, so putting dog teeth under pillows can not only ward off evil spirits, but also inhibit those things ... Everyone knows that ginger can be used for seasoning, but feng shui masters usually cut ginger into powder and put it under pillows, because ginger helps sleep, so that the quality of sleep is better, and wealth and luck will get better and better. When I was a child, I often had nightmares. My grandmother will put scissors under my pillow, and I will never have nightmares again. This method is still very useful now.

There is no vegetation in the vast sea. How can we sink trees? Of course, this comes from the wreckage of a sunken ship. After the ship was wrecked and sank at sea, some wooden remains were soaked in seawater, which eroded them for a long time, and they became iron after a long time. As for how long it takes to change from wood to iron, it is said that it will take at least several hundred years. However, not all the wood on the sunken ship will form soul iron. It seems to be a certain kind of wood or formed under certain conditions, so it is more precious. It is not necessarily rare to say that the soul iron is rare, because many fishermen have a large piece at home, but I am afraid that non-fishermen have never seen it and no one sells it in the market. Moreover, with the progress of navigation technology, the probability of shipwreck is reduced, and the probability of salvaging soul iron is also reduced accordingly.

Ebony (dark wood) has both the elegance of wood and the charm of stone, and is known as "Oriental Shenmu" and "plant mummy". Earthquakes, floods and mudslides bury all plants and creatures on the ground in low-lying places, such as ancient riverbeds. Some trees buried in the mud, under the conditions of hypoxia and high pressure, have been carbonized by microorganisms such as bacteria for thousands of years to form ebony, so they are also called "carbonized wood". Ebony has been used to ward off evil spirits in past dynasties, making handicrafts, Buddha statues and amulet pendants. The ancients said, "A house of ebony is worth a box of treasures." It's soul iron