The diamond can be split by a single, well calculated blow of a hammer to a pointed tool, which is quick, but risky.
The most common tools were awls and pointed instruments suitable only for wood and leather.
The five-pointed star – or seiman – a talismanic design that appears on the ama's headscarves and tools, is written in a single stroke, starting and ending at the same point, to symbolise a safe return to the surface.
In fact, undue surface cutting and metal squeezing was detected when the tests were performed with pointed tools, i.e., below threshold radius.
Tapers are long, slightly pointed tools used to stretch your piercing.
The method that best matched the engraving was one in which a pointed tool or cutting edge was carefully and repeatedly inserted into an existing groove and passed along in the same direction.
It is very clear that the edges of the face, the eyes and the nose were created with very specific tools, possibly spatulas and also pointed tools, that left their own marks.
Many drawings depicted humans with pointed tools alongside wild dogs, serpents and other beasts.
Certain items — a jadeite model of a pointed tool used for ritual self-mutilation — are just strange.
The relief was then burnished and polished, and further details were incised with a pointed tool.
