"That's all there is to the tatters of these 200 caps? It seems that your combined caravan is quite long to listen to, bluffing, anything else, haha~" The girl was about to repeat the small advertisement she had made up, and it was the turn of several strong men in full armor, all of whom had dot 45 automatic rifles around their waists.

"I have something, what do you have?" Lexi looked at these guys with her hands crossed, her clothes were neat and clean, and there were few patches, could it be a big customer, the girl's eyes were bright.

"Let's take out the good things first, most of the current ruins are caravans with mouths longer than their hands", the strong man in the lead patted his coat pocket with his hand, tilted his head sideways and squinted his eyes, looking like he was not bad for money.

Thinking that it might be a big customer, Lei Xi quickly bent down, took out a shoebox from below, and lowered her voice mysteriously, "Take out some high-end goods to open your eyes, poof~ Super powerful super bull fork super Lingxiu tactical boots, only need 4999 Oh, add a bottle cap and get a pair of hugging shoes~"

"What broken shoes, it's so expensive, you really dare to shout the price!" Shoes of almost five thousand are simply unheard of, the leading strong man roared out in surprise, and the residents in the queue were also stunned and talked in a low voice.

"This is a super tactical boot that can wear a mine, I can't afford to say it directly, it's a waste of this woman's expression~" Raxi suddenly pursed her lips and muttered dissatisfied.

"Poof~cough~" Lin Ze was observing the few guys who jumped out of the window in the armored pickup truck, thinking about their origin and true purpose, and suddenly choked on saliva without taking a breath.

"Can you demine by wearing this?" Erin was also stunned, lowered her head and looked at her feet suspiciously, the girl took out the Sisterhood Soldier Shoes, that is, the universal Lingxiu combat boots, Lexi said it with a serious look, is there a strange function that she doesn't know? Erin thought that this was designed by Lin Ze, maybe it was really possible.

"I haven't really tried whether the soles of my shoes will blow up, but what I'm sure of is that people must either die or be disabled," Lin Ze took a breath and explained seriously.

"What do you mean by not being able to afford it, you don't look at our brothers' bodies, this gun alone is enough to buy you several pairs of broken shoes, and we also ate Ripper barbecue a few days ago, that delicious...... Sizzle, thousands of copies, will you not be able to buy your shoes? Several strong men spoke out one after another, showing the automatic rifles in their hands fiercely, "You can tell me, why are these broken shoes so expensive, or you put on a mine and let's take a look, if it's okay, we'll just buy a pair of pairs!" ”

Is ripper meat delicious? Lexi was stunned, old and woody, and with a sour smell, thousands? Doesn't that mean that this woman was eaten by the white long-haired broken dog for hundreds of thousands? Oh my God, I won't be allowed to ride after eating, I'm losing a lot, I'm losing a lot.

"That's it, I've never seen more than 4,000 shoes, but tell me, what's so special?" The other residents chimed in with the intention of watching the show.

"It's a long story, let's start from the outside, you see, this upper is ......" Lexi was about to say when she was suddenly stunned, frowning slightly, what is it? Forgot! Before, I just thought about making small advertisements for the cheapest shoes and clothes, but I didn't think that some people have a lot of money and stir up trouble, what should I do now? There was a slight pause, wait, there is, the girl's eyes rolled, and then the words just now, lowered her head, her voice quickly became low, as if she was absentmindedly playing with the shoebox of tactical boots, "Hum ~ I'm afraid to scare you when I say it", her eyes quickly glanced at it, and there were some concise text introductions inside the lid of the shoebox, "This is made of the full-grain surface flowing water tree leather on the two-headed cow's butt mound, how about it, I haven't heard of it~"

What the? What is it? It's bark and leather, and particles, I don't understand it at all, I just feel like a scumbag, a group of residents looked at each other, it seems that no one around understands, one of the strong men calmed down, lifted his breath, and said loudly, "I understand this, you just tell me why you want to fart the skin on the squat, what's the difference, I haven't heard of this~"

"It's stupid, do you think about what part of the two-headed cow landed on the ground when he sat down after eating grass?" When the girl saw that the residents looked cute and unresponsive, she was suddenly full of spirit and thoughts.

"Oh, it's a fart squat", the strong man seemed to suddenly realize.

"That's right, the leather here is wear-resistant, you see~"

"What do you mean by full grain, and grainy leather?" A resident asked.

"You can ask him about this, doesn't he say that he understands something", Lexi squeezed his eyes and shook his eyebrows at the strong man who said he understood, looking like he was teaching you.

"This~ Of course I know", the strong man patted his chest, "The whole grain is the polishing right, all of them are polished with fine sand of fine particles, everyone knows that there are always a lot of marks on the surface of the leather, scars, wrinkles or something, it doesn't look good if it is not polished, but with other files or something, although it is simple, it will cut off a large layer, so full grain grinding is an advanced technology, right?" ”

"Oh, it seems that you really know a lot, not bad", Reich looked surprised.

"What do you mean by the Flowing Water Tree Leather?" Other residents spoke.

"yes, what do you mean?" The strong man also hurriedly spoke, obviously accepting it when he saw it, just now he was lucky enough to kill a large number of his brain cells, and Zai Meng was likely to stop his head.

"This is simple", Lexi took out a bottle of pure water and unscrewed it, poured it on the vamp, and the water flowed directly down the vamp, "See, this is flowing water, this is a high-level process, so it is waterproof, and other leather will become thin and soft after being blistered, as for the bark, it is said that our leather is tough like tree bark, understand, this upper alone has so much attention", the girl took advantage of the strong man's opening to speak, and had already made up the following paragraphs, and explained it perfectly, with a smug smile," Let's talk about this sole......"

"I can't see it, little Lexi knows a lot, and the explanation is so detailed", seeing Lexi's few words to calm the ruins residents who came to buy things, in the armored car, Erin couldn't help but sigh to Lin Ze.

"Humph! The stinky girl is talking nonsense, you see the small action of turning over the shoebox in her hand, and the thief's little eyes, she must have known nothing before, and she peeked at it temporarily! What's even more annoying is that the peek is not good to look at clearly, the words are all wrong, it is clearly written that the selection of double-headed cow hips, the back of the full grain first layer of hydrophobic vegetable tanned leather, the number of words is about the same, the meaning is not the same thing at all! ”

"I don't think her explanation is quite convincing", Erin didn't really understand.

"Hmph, a group of big fools who have been fooled by stupid people~ Especially that full-grain stupid guy, and the stinky girl is simply the best stupid combination, and he also sings double reeds, you look at the sweat on his head, and that relieved look, he must be glad that he was right", Lin Ze sighed, he was sure that the strong men who jumped out were here to do something, obviously they felt good about themselves and came out to show off.

"She didn't explain it right?"

"In addition to the flowing water, uh, the hydrophobicity is about the same, the rest is completely blind, the double-headed buttocks, the leather fibers on the back are tight, the lines are less, and the shape is relatively complete, so durable, what a fart squat, obviously the buttocks are talking about the tip of the buttocks, the stinky girl is wrong, the whole grain is not related to polishing, and on the contrary, it is said that the leather grain is completely preserved, the pores and lines are clear and detailed, so that the elasticity and air permeability are better, and the hydrophobicity is about the same, and a coating is used, which can make the leather and water repel each other, It is not easy to get wet and deformed, and finally vegetable tanned leather, which refers to the leather treated with vegetable tanning agent, although the vegetable tanning agent treatment leather takes a long time and is not easy to dye, but the vegetable tanned leather is solid and stiff, and it is more wear-resistant", Lin Ze can only explain helplessly.

"Haha, little Reich does seem to have misremembered, tough as the bark of a tree, and it seems to be right," Irene laughed.

"If a stinky girl can remember clearly, she won't be a stinky girl~" Even Leia had a headache, and Lin Ze couldn't do anything.

"You now know why 4999 this tactical boot that can make your feet more flexible and delicate, the stab-proof bottom You can spend money to buy shoes and test it with a dagger on the spot, and I will pay you money if the bottom pierces, hum, of course, if you don't have money, get out of the way, this woman still has to do business!" The girl spent a lot of saliva, and now after explaining the whole audience, she glared at the strong men even more violently.

"That's it, if you want to buy it quickly, you don't have money to install any uncle here, people explain so much, it's not that you can't afford it, a few little 45 broken guns are just, and the second-hand ones are enough to buy a pair of insoles even if the rifling is intact", after watching the show, you should buy 200 bottles of cap clothes and shoes set and have to buy this, and the good things are just a lively one, and some residents have spoken out.

"Wait, who said we don't have the money to buy it, can't you barter here, our brothers used a few cash to buy this extremely expensive rare mutated leather last time, I wanted to make a profit, hum, if you know the goods, it won't be a problem to sell it to you, I'm afraid of ......" The leading strong man had an idea, and took out a piece of black animal skin from his pocket, and the whole skin seemed to have shrunk into a small ball due to improper handling, like a rag.

"It's not a dirty rag that I picked up somewhere, haha," a few residents laughed when they saw it.

"Cut, people who don't know the goods think so, hmph, this is a few of our brothers who spent a lot of money to buy it, if you don't know the goods, then we can only find a caravan that knows the goods to sell~"

"This~ The place where we barter here is the car in front, all those who barter please go to line up over there~" The girl's eyes rolled and she threw the pot directly.

"Hmph, the stinky girl is a thief~" Lin Ze opened the car door and walked to the door.

"How? Do you know the goods? The strong man directly stuffed the piece of animal skin into Lin Ze's hand, and then held his hands and tilted his head proudly on the side, looking like he was watching a good show.

This is indeed a piece of animal skin, Lin Ze frowned, and probed with his soul power, a mole's skin, but it didn't seem to be a simple leather, he was silent for a while, and continued to probe inside the animal skin, and it took a long time before he raised his head, "That's right, this is a rare piece of mutated leather, but it's just the leather of a mutant mole, so the price is not high, you can count 5,000 bottle caps, and if it is higher, you can only go to other places to try it." ”

What the? The strong man was stunned for a moment, and actually offered a price of 5000, you must know that this is just a tattered snatch from the hands of a dirty little beggar, originally he thought that the caravan would suffer a dumb loss for the sake of face, quote a little money, and finally play a price that cannot be negotiated and scattered in two, obviously the surprise came too suddenly.

"Okay, your caravan really lives up to its reputation, and even knows this kind of mutated leather that is out of the door, 5000 is 5000, no need to give the bottle cap, just give me a pair of tactical boots and hugging shoes", who will not be able to boast hypocritically, take advantage of a big advantage and sell it well, maybe everyone will be happy, and the strong man's heart is open.

"This can also be worth 5000? You're not going to be infected by little Lacey, are you? Erin watched the strong man proudly put on Lingxiu tactical boots, jumped a few times, and then walked away with his little brother, so he couldn't help but speak.

"Of course I know it's just an ordinary mole skin, but it seems that someone has added something to it, what a subtle technique", Lin Ze thought of the appearance of the inner layer of the leather that had been dyed by a special dye point, why did it feel more and more like a map?

"Oh? What technology? ”

"It seems to be a map dyed out of dots, so I'm curious for a while, and I'll have time to draw it out carefully", Lin Ze shook his shoulders indifferently.

Damn, a map that doesn't know why costs 5,000 bottle caps, this look of nonchalance, rich people really hate it, Erin has been searching hard lately, there are too many things to buy, tactical boots, silk resin bulletproof inserts, tactical suits and that hateful fidget spinner, not to mention the coveted new weapon, that's an electromagnetic gun.

"Do you receive any information?" A male voice asked weakly.

"Facts? It depends on what the content is", Lin Ze put away the animal skin, and then looked up at the two poor residents in front of him.

"The warmth material is called heterogeneous interwoven fiber, referred to as heterolayer fiber."

"Heterolayers? Show me the content~"

The man obviously retracted his hand, "I'm sorry, it's not worth anything after reading it!" ”

"How do you know if the information is true or false without looking?" Lin Ze was a little speechless, he relied on himself to sell information, and there was anyone who did this business?

"I can tell you a part," the man cautiously, "if that doesn't work, forget it." ”

"If you know the information, then I'll ask you a few questions, about the principle of warmth, this is always okay, it doesn't involve a specific structure", Lin Ze is still extremely interested in thermal materials, especially recently encountered a lot of problems in making shoes.

"That's it~ If it doesn't involve insulation materials and specific structures, I can tell you something", the man thought carefully for a while, and then replied thoughtfully.

"Well, why can heterogeneous fibers keep warm, how to keep them warm, and what should I do if I sweat when I keep them warm?" It's easy to say, Lin Ze's headache is the balance between heat preservation and breathability.

"This ......" the man thought about the language, "the key to thermal insulation is actually to lock the air in the insulation layer, the more air retained by the fiber, the less heat loss conduction, this is the conclusion of the experiment, and there is another, that is, the more fibers per unit area of the material, the larger the isolation layer formed to block heat radiation, starting from the two aspects of conduction and radiation, so the warmth effect of the heterolayer fiber is very good, as for sweating, which involves the characteristics of the material, I can only say that the water absorption rate of our material is very small, no more than 1% of its own weight, So even if the humid environment can still play a warm effect, as for sweat, most of it is in the form of water vapor, the heterolayer fiber has good air permeability, will not block the passage of water vapor, and the other content can not be said clearly, you can understand it clearly if you buy it back", when it comes to technology and principles, the man obviously speaks fluently, thinks clearly, and has strong logic.

Lin Ze was overjoyed, as if he had been empowered, that's right, there are three ways of heat transfer, conduction radiation convection, convection can be ignored in shoes, starting from conduction and radiation, especially the principle of fiber number per unit area, really opened a door for him, "Very good, I want this information, 4W bottle cap!" ”……