In Xiaoxianzhuang, in the dimly lit little shop of the tailor, Granny Du.
Unlike Ye Liang, Wei Wenshi was not from Earth and had never seen the backpack designed by Ye Liang. However, she offered many insightful opinions based on just a sketch.
"You said you wanted to use this backpack to carry books? Then it has to be shaped like a book box. Otherwise, it'll just be a flimsy sack."
"Also, is the metal part you drew here an adjustable strap design? That's quite ingenious."
"As for this fabric, I think it's best to use starched swaddling cloth as a lining to maintain its shape. For the veil, goatskin would be ideal, as it's not only beautiful but also waterproof."
"But what's the special meaning behind this five-pointed pattern? Is it really necessary to put it on? Wouldn't it look nicer to just embroider a flower on it?"
Her insightful remarks immediately caught Ye Liang's attention.
Just like when Wei Wenshi first saw Ye Liang's drawings and sketches, she looked at Ye Liang with a strange gaze for the first time.
For someone who has never seen a student backpack in the world, just by looking at a sketch, she can think of the essential points that she takes for granted or that are not clearly marked, based on her own tailoring experience. This really shows the girl's tailoring skills.
That shows your skill.
Moreover, Ye Liang hadn't thought about some details of backpack making, such as how to maintain the shape of the fabric and what swaddling cloth was, or he didn't even know about some of them.
After all, the young master lacks common sense about life.
He still didn't know what cloth that had been starched looked like.
Later, after Miss Wei Wenshi brought over a piece of swaddling cloth that could be used directly as shoe uppers and showed it to the young master, he finally understood that the swaddling cloth that had been glued was so hard that it could be made as rigid as cardboard after such treatment.
No wonder it can be used to make shoe uppers; it can maintain the shape of the shoe, making it fit well and sturdy to wear.
Miss Wei Wenshi raised some questions, all about making backpacks, and Ye Liang naturally started talking to her about it.
A man and a woman, wanting to finish their backpack business, naturally started talking, which attracted the attention of the blacksmith and the doctor who came to watch when they learned that Ye Liang had arrived. The tailor, Granny Du, gently waved them away, as if she had been kind enough to create an opportunity for Ye Liang to talk to the girl.
She not only waved away the blacksmith and doctor who were watching, but she also tried to be a quiet person herself. She left the task of making such a backpack to her half-apprentice, Wei Wenshi, to communicate, exchange ideas, and cooperate with Ye Liang.
Her role as master had become someone who assisted Wei Wenshi and Ye Liang.
Through their collaboration, the world's first backpack was born.
For the first time, Wei Wenshi, a girl from this world, personally experienced how a simple iron piece could be used to adjust the length of the straps.
"It really can adjust the length of the straps, how does it do that?" Although she witnessed the amazing moment, the girl Wei Wenshi wanted to understand the underlying principles.
“Friction,” Ye Liang said with a smile. “Don’t underestimate the friction between these two straps. They’re very strong. As for what friction is, imagine the difference between walking on ice and walking on a street, and you’ll understand. Ice is too slippery, so the friction is very small, making it difficult for people to walk. But on a normal street, the friction between the sole of your shoe and the ground is very large, so you can walk normally.”
"Hmm." Wei Wenshi fell into thought for a moment, habitually trying to verify whether Ye Liang's statement was correct.
While she was pondering, Ye Liang was in no hurry and immediately began to reinforce the schoolbag.
Seeing Ye Liang making a hammering motion in the air over the backpack, the girl Wei Wenshi was immediately embarrassed and angry and wanted to stop him: "What are you doing? Are you not satisfied with the backpack I made? If you don't want it, I'll keep it for myself, but don't destroy it."
Hearing this, and seeing that she had misunderstood, Ye Liang smiled and said, "I'm not going to destroy it. I'm going to strengthen it. After my strengthening, this backpack will be so durable that even you could puncture it with scissors. This way, it will be more durable for the children to use."
"Really?" Miss Wei Wenshi is truly a girl with her own opinions; she doesn't believe everything others say.
She has her own thoughts.
Ye Liang's talk of enhancement was too unbelievable; it was the first time she had ever heard of such a thing, so she naturally wanted to ask if it was true.
"Why don't you poke it with scissors and see?" Ye Liang laughed, confidently telling her to poke the backpack with scissors and see if it could be punctured.
"No way. If you poke it, you'll have to pay for it." The girl, Wei Wenshi, was probably reluctant to part with the backpack she had made herself.
Ye Liang smiled and immediately felt that this girl was somewhat as cute, innocent, and kind as his junior sister.
He chuckled, grabbed a corner of fabric, reinforced it, and handed it to Wei Wenshi, saying, "Try cutting this piece of fabric with scissors. You're a very experienced tailor; you know better than I how much force is needed to cut this kind of fabric."
“Okay.” Wei Wenshi immediately did as instructed.
She would only cut a scrap of fabric.
It takes a lot of effort to cut.
Moreover, my fingers were marked from gripping the scissors so tightly.
"Strange, it's really become very difficult to cut."
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