"Brother Zhuang, is this what you call indestructible?"

Zhuang Zhou was speechless!

Aren't you trying to cause trouble?

“It’s not even done yet!”

Zhuang Zhou explained:

"It takes time. Once it's completely dry, you can't even smash it with a hammer."

"Oh, how long will that take?"

"It will be fine by this time tomorrow."

This amount of cement is not much.

24 hours is more than enough.

Li Er frowned and said nothing more.

In that case, let’s come back and take a look tomorrow!

It’s almost time for dinner.

Zhuang Zhou simply called Li Er and went to Taibai Restaurant for a meal.

Li Er happened to have something to discuss with Zhuang Zhou about salt production, so he readily agreed.

Sudden.

Before I even left the house, there was a sudden commotion outside the courtyard gate.

The horse is frightened!

When Zhuang Zhou went out, he saw the tall horse that Li Er had ridden earlier, kicking its hooves as if it had gone mad.

Seeing this, Li Junxian immediately stepped forward and grabbed the reins.

Soon the horse was subdued.

"What's wrong with this horse?"

Li Er explained:

"Today, while coming down from Mount Li, I stepped on a sharp rock and cracked my horse's hoof."

Zhuang Zhou looked in the direction of the horse's hoof.

Sure enough, blood was flowing out.

etc.

Only then did Zhuang Zhou realize that there was no horseshoe on the horse's hoof?

No wonder.

Hoof injuries like this are inevitable.

"Brother Qin, we in the Tang Dynasty don't have horseshoes yet?"

"horseshoe?"

Li Er seemed to grasp the key point:

"What is this?"

Li Er had long since ceased to doubt Zhuang Zhou's knowledge.

When I heard new words at this time, I naturally became interested.

Zhuang Zhou explained:

"Horseshoes are like shoes for horses, used to protect their hooves."

Um?

Shoe the horse.

This sounds interesting.

"But how do I wear this?"

"Easy! Just make a U-shaped iron bar and nail it to the horse's hoof."

It is indeed very simple to say.

But Li Er and Li Junxian obviously didn't understand.

Zhuang Zhou said no more and went into the house to get paper and pen.

He simply drew the shape of a horseshoe from later times.

"Just make an iron bar like this and nail it to the horse's hoof."

Li Er nodded, seeing the clue at a glance.

"Yes! This way, the horse's hooves can be protected."

He was very excited when he said this.

I want to start making horseshoes right away.

So he asked anxiously:

"Brother Zhuang, do you have a blacksmith in your house?"

Zhuang Zhou shook his head:

"No."

"How come there's not even a blacksmith in your house?"

Li Er seemed very disappointed and felt it was very unreasonable.

Such a big mansion, but there is no blacksmith.

But Zhuang Zhou thinks this is normal, right?

After a pause, Li Er instructed:

"Li Junxian, go find a blacksmith right away."

Upon hearing this, Li Junxian first patted the horse's head and said a few words to comfort it.

Then he walked up to Li Er and said softly:

"Your Majesty, this horseshoe is of great importance. If we find a blacksmith outside, I'm afraid the secret will be leaked."

Li Er also suddenly thought of the importance of horseshoes.

This thing might cause major changes in military power.

The Tang Dynasty needs it, and the Turks need it even more.

This is a matter of great importance!

"Your Majesty, this place is closest to Duke Lu's Mansion. Why don't we go to Duke Lu's Mansion?"

Li Junxian reminded him at this time.

"Yes! That's it, then. Brother Zhuang, come with me to Duke Lu's residence, and you will be in charge of instructing the blacksmith on the details."

I originally planned to go to Taibai Restaurant for dinner.

But at this time, Li Er's mind was obviously on the horseshoe.

Let’s get down to business first!

The three of them went out again and headed directly to Duke Lu's mansion.

There was no prior notification.

Li Junxian took out a badge and showed it to the mansion, and the servant at the gate hurried in to pass on the message.

Soon, a big guy came out jogging.

It was Cheng Yaojin.

After seeing the greeting, he smiled:

"Your Majesty, what fragrant wind brings you here?"

Li Erbai glanced:

"Stop talking about this. I came to you for something urgent."

Don't be too polite to Cheng Yaojin.

He led Zhuang Zhou into the mansion.

Wait until Zhuang Zhou finishes talking about horseshoes.

Cheng Yaojin's eyes lit up when he heard this.

Don't be fooled by the silly look of this black-haired guy, he is definitely a person with high IQ.

Just imagine, in history, Cheng Yaojin lived to be seventy-seven years old.

It went through the reigns of three emperors: Li Yuan, Li Shimin and Li Zhi.

And he had a good end under the rule of Wu Zetian.

How could such a person not have a high IQ?

So don't be misled by historical narratives.

This guy is pretending to be stupid, but it's all superficial.

As a cavalry general, Cheng Yaojin certainly understood the importance of horseshoes.

This thing is extremely important to the Tang Dynasty.

Of course, since it's a horseshoe.

That is even more important for the Turks on horseback.

With horseshoes, the damage to war horses is reduced.

The lethality of cavalry will be directly doubled.

"Your Majesty, this matter must be kept secret and must not be known to the Turks!"

Cheng Yaojin said anxiously.

Li Er nodded, agreeing with him deeply.

"Brother Zhuang, I'll leave this matter entirely to you.

I want you to make horseshoes in the shortest possible time."

Zhuang Zhou also understood the importance of the matter and immediately agreed:

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