Silver needles are relatively soft and easy to break, but for a skilled doctor, this is actually an advantage.

Because it is soft, it is easier to use on the human body, which is why there were so few skilled doctors who were proficient in acupuncture in ancient times.

But it's much better now, and it's all treated with stainless steel needles.

However, the effect of stimulating acupuncture points is greatly weakened, but it is not easy for novice doctors to cause problems.

And this ebony iron needle is not made of silver or stainless steel.

Of course, it is not made of iron as its name suggests.

The ebony iron tree is a tree that probably became extinct in the Neolithic Age.

There is nothing special about the trunk of this tree, but its bark is very strange.

When the tree bark grows, it turns black and is very hard. It is said that bloodline warriors once slashed it with swords, but could not even scratch it.

So this tree is called ebony iron tree

It was only later that people discovered that after the death of this kind of tree, the bark will dry out and crack after a day and night.

People originally thought that the bark could be used to make some crude clothes or to cover something.

However, with constant contact over time, I found that the bark easily sheds debris.

Later, someone didn't know the reason and rubbed the bark with his hands, only to find that the bark turned into slender needles.

It is an oval cylinder with no sharp edges at either end. Someone once tried to twist the ebony iron needle into a sharp point, but there was no way to do it.

Later, people used this thing to sew larger things, such as animal skins and awnings.

After all, I had already started to know how to do simple knitting and embroidery.
Chapter completed!