Nails believe that many people are very familiar with, because it is used in our lives everywhere, nail classification is also very numerous, such as: cement nails, steel nails, nails, etc., so the nail occupies a large Market, we look at how the ancients were defined on the nail.
China's nail function and China's gunpowder, as deeply branded the traces of the Chinese people. Because the Chinese people's nails more prominent function is not building tools, but building components. On the palace to the hospital, down to the official mansion, the door on the nail are almost indispensable, in addition to decorative significance, there are more like firecrackers like religion and faith.
For example, during the Sui and Tang dynasties, nails had been nailed to the gates for reinforcement and protection purposes - iron-clad wooden doors had nails for reinforcement, but the use was more on decorative doors . So, on the door nail, more like a culture.
Such as the number of Ming and Qing Dynasties, the highest specifications of the palace, nine rows of nine out of eighty-one, no matter how good the people of the house is also a poor house - no nails on the door, so people have become commoner said - silk is also official , But also that white - the number of nails on the door is also a symbol of social class. Therefore, some local people to the first month in the door of the door to touch the door to become auspicious folk activities.