How was Oracle Bone Inscriptions carved?

The early Oracle Bone Inscriptions was carved with a tapered sharp weapon or knife, using ground stone tools and ironware (ironware was widely produced before bronzes), and later, because ironware was easy to rust, the alloy at that time-bronzes) was widely used. ...

There are two kinds of sculptures in Oracle Bone Inscriptions: one is word for word; Second, stroke carving, word for word carving is because there are few pieces to be carved, one or several pieces of Oracle Bone Inscriptions. If there is a large amount of carving, you will see how many identical strokes or characters are in a piece of Oracle Bone Inscriptions. After carving the same strokes or characters of Oracle Bone Inscriptions, you can carve a piece of Oracle Bone Inscriptions according to the procedure ... In early Oracle Bone Inscriptions, it was carved directly without making a manuscript.