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Wang Li was a little puzzled, handed over the food in his hand to his own soldiers, stepped forward, and examined it carefully.

Seeing a semicircular iron ring attached to the horse's hoof, the king was unsure of what it was, and asked, "Won't the horseshoe fall off on the horse's hoof?" What's the use? ”

As soon as Fusu spoke, Wang Li shuddered: "How could it fall, this is nailed up with an iron nail." Can ......"

Wang Li exclaimed, "Nailed up, didn't you hurt the horse?" ”

Fusu smiled, at that time Tang Gu looked for someone to beat the horseshoe out, and he didn't know how to use it, the horseshoe was abandoned for a long time, and then it was a chance that an ink man asked if it could be nailed on, Fusu also thought it was a cruel method after hearing it, and almost stopped it, only to find out that the use of the horseshoe was very different from what he imagined.

"Which is longer when you run barefoot or when you run with your shoes on, is wearing shoes to protect your feet?" Fusu asked.

Wang Li's eyes widened and said, "Can this be the same?" This is driven with a nail. ”

Fusu was not in a hurry, and thought for a while and said, "You always know that the cow nose wears a cow ring, right?" ”

Wang Li nodded, there are many wealthy families in Xianyang who have ox carts at home, and cattle rings are not a rare thing.

"The cow's nose is full of nerves, uh, it will hurt to touch the cow's nose, so everyone puts a cow ring on the cow, although the cow ring is good for people, but it is a little harmful to the cow, and the horseshoe is not harmful at all."

Wang Li was skeptical, looked at Fusu and then at the horse's hooves that were lifted by Fusu, and said, "Tell me carefully." ”

Fu Su laughed and said, "Yu Bai, you come to show Captain Wang." ”

Yu Bai came over, took a pocket from one of the guards, walked over, glanced at the horse's hooves, and said with a wry smile: "Childe, let's change a horse, this one has just changed the horseshoe." ”

"You go and find it."

While Yubai was looking for a horse, Fusu told Wang Li about the principle and function of the horseshoe, which made Wang Li even more incredulous.

"Cut your nails, you said the horse's hooves are the nails of the horse?" Wang Li asked loudly, forgetting to eat the roast chicken leg that Fusu handed him.

Fusu knew that he knew only a little bit and lived to understand, so let him tell Wang Li that the knowledge of biology might not work, so he said: "You will know later." ”

After a short time, Yu Bai led a group of horses over, Wang Li walked over, and Meng Ge and Yu Tu also surrounded him, wanting to see what kind of treasure Fu Su said was used for cavalry like saddles and stirrups.

Yu Bai handed the reins to one of the guards, took out a few tools from the pocket just now, and placed them on the ground.

Wang Li and the others looked at the tools in this place, and they were terrified, these things were used on a horse's hoof, could it be a small action?

Without stopping, Yu Bai lifted the horse's legs, took out a pair of pliers, and "clicked, clicked" at the horse's hooves a few times, broke off a piece of iron that was no longer in shape, and dropped a few iron nails. Wang Li and the others went up to take a closer look, but they couldn't understand it.

"This is to unload the old horseshoe, the iron-making technology is not good, the iron is too brittle, and it will not take long to replace." Fusu explained on the side.

Yu Bai picked up a strange-shaped knife again, and without hesitation, he dug and knocked on the horse's hooves, and the edges of the horse's hooves were dug down a lot, Wang Li and the others only felt that their feet hurt, and unconsciously took a step back, but the horse that was changing the horseshoe did not react.

"It's about trimming the horse's nails, and it's time to nail a new horseshoe." Fusu's voice came slowly.

Yu Bai then picked up a piece of iron, but the iron piece was not smooth, the hair was rough, and it looked like a carpenter's tool, Yu Bai used the iron piece to polish back and forth on the horse's hooves, making a small "poo" sound, which made Wang Li and the others numb in their scalps, and took a few steps back again.

The horse's hooves were corrected neatly, and a guard on the side took out two new horseshoes, and Yubai went to one of them, put it on the horse's hooves to compare it, and then took it off, and beat it on the ground with a "clanging bell", and so on a few times, it was appropriate.

"The horseshoe must match the horse's shoe, otherwise it will not play a protective role, just like people wearing shoes, if they are small, they will not work, and they will not work if they are big." Fusu's voice came at the right time.

Yu Bai put the horseshoe on the horse's hooves with one hand, and took the iron nail handed over by the guard next to him with the other, but the iron nail was not long, less than an inch long.

The iron nails were put away, Yu Bai did not hesitate at all, picked up the hammer and knocked it down, and five or six nails were knocked into the horse's hooves in a short time.

Wang Li and the others carefully moved their feet, as if nails had pierced the soles of their feet.

Then polished it again, and after it was neat, Yu Bai motioned to Wang Li and the others to take a closer look, and the horse's hooves and horseshoes were tightly knit and neat, and it really looked like a horse wearing new shoes.

Yubai put the horse down, observed, and knocked the horse's hooves with a hammer, and the horse moved back and forth without the slightest discomfort.

Yu Bai looked at Fusu, and Fusu smiled: "How about it, Wang Li, you come and try another one?" ”

It took about two quarters of an hour to change a horseshoe, which is not too long.

Wang Li thought for a while and said: "The damage to the horse's hooves, resulting in the horses not being able to run, is indeed a headache for the cavalry, and the damage to the cavalry is great, I didn't expect you to have a treasure a long time ago, but I don't know how the effect is?" ”

Fusu thought for a moment and said, "It's the same as the effect of you wearing shoes and not wearing shoes!" ”

When Wang Li heard this, he cheered up and said, "Then I'll try it?" ”

Yu Bai put all the tools in place, Fusu made a gesture of invitation, and Wang Li carefully approached the horse and personally changed it to another horseshoe.

Yu Bai pointed out mistakes from time to time, and after three quarters of an hour, Wang Li sweated profusely and put down the hammer, and finally changed it.

Wang Li raised his head, he didn't know whether he thought it was hot or because he kept bowing his head, or something else, Wang Li's face turned red, wiped the sweat from his forehead with his hand, and said, "Oh, it's too hot." ”

Fusu and the others smiled together.

The guards led the horses away, and Wang Li and the others carefully observed and found that the horses did not show the slightest discomfort, and they all showed excited looks.

"How many more do you have?" Wang Li was the first to speak, and Meng Ge and Yu Tu also looked at Fusu eagerly.

Fusu shook his head and said, "Not much, only a few pairs of spares." ”

Wang Li showed regret on his face, according to his estimate, the offensive against Yan should be launched soon, if a large number of cavalry can be redressed, the battle will be much easier.

Meng Ge said: "Childe, is it easy to build?" ”

Fusu nodded and said, "You also saw it, it's just two iron rings, it's not too difficult." ”

"Okay." Wang Li clapped his hands and said: "Give me a few sets, I'll take them back to my grandfather, and let Xianyang make a batch out, and use it in the next war." ”