"Make knives? What does this iron do to make knives? ”

"Anchor is kidding, I've heard of making axes from stones, and knives can also be made?"

"Interesting, please start performing."

……

Du Xiaosheng didn't go to see the questions of the fans in the live broadcast room, but found a big stone on the spot next to the stream, and then under the confused gaze of the audience, he smashed one of the stones into the other.

Squatting on the ground, he picked up a large stone, tested the triangular trapezoidal gravel edge with his fingers, and slashed the stone at the bark next to it.

Under the stunned gaze of the audience, the bark was cut out by Du Xiaosheng in a very deep hole.

", sharper than my military dagger!"

"It's not scientific, I also played with smashing stones when I was a child, and the incision when the stone is broken is not sharp."

"What the hell! The anchor is hooked, right?!"

Du Xiaosheng held up the shiny stone in his hand and said with a smile: "The stone I am holding in my hand is called obsidian, which is a common black gemstone and volcanic crystal, also known as "dragon crystal, Shisheng stone", which is a naturally occurring silica, usually black. In Mexico, obsidian is the national stone of their country. ”

"Because of the characteristics of glass, this kind of stone is very sharp when it is broken. In ancient Stone Age, it was used as a cutting tool such as knives and arrowheads, and even now, obsidian is used to make the blades of surgical scalpels. ”

"Such a large piece of obsidian is enough for me to make a few daggers, and as for this large one, I can quickly make an axe with two pieces of wood and a rope made of cattail leaves."

With a few pieces of obsidian in his hand, Du Xiaosheng continued to grope in the river.

"What are the streamers looking for? Isn't the knife already ready? ”

"Don't waste time, the sun is going down."

"Anchor, let's set up camp first and then fish!"

……

"Obsidian is formed when volcanic lava is rapidly forming, and the flow and debris from volcanic eruptions quickly solidify, harden and take shape. Since there are such stones in this creek, then there must be flint! Du Xiaosheng answered fans' questions while groping.

"Found it!" Du Xiaosheng soon found two extremely striking white flints in the water.

In nature, there is a large amount of flint, especially in areas with volcanic activity, and the content of flint is extremely abundant.

"With these two flints, I don't have to spend time with a bow to drill for fire! In our country, there is an ancient saying, called "If you want to do a good job, you must first sharpen your tools!" Meaning: If a craftsman wants to do his job well, he must first make the tool sharp. To do one thing well, preparation is very important. ”

Du Xiaosheng quickly used two tree trunks to sandwich the obsidian in the middle, and then used cattail leaves to weave two pieces of hemp rope to fix the obsidian hand axe.

After making the axe, Du Xiaosheng did not choose thick trees, but chose some trees with thick bowls and relatively soft wood, slammed two axes, and then used his own weight to break the trees.

He was quick to drag the pole over to the fork of a tall tree, and then set up a right-angled triangular shack.

After doing all this, Du Xiaosheng quickly went to the river and brought a few small stones, put them under the shack, and then cut down four more trees and dragged them to the side of the camp, cut off the excess tree poles in a few clicks, and then erected them on the stones.

"You see, with the help of these stones as a low bed, I can put a pole on it and make a bed off the ground. Then the cut branches were not wasted, and I hung them all on this main beam using branches, so that a tent was formed to protect from the wind and rain. ”

Seeing Du Xiaosheng quickly set up the camp, everyone and the audience were blinded, why was the anchor so relaxed?

"There are so many ways to build a camp, and if I didn't have this obsidian axe, I wouldn't have made a camp out of this wreckage hut, and now I need to make the camp more comfortable."

Du Xiaosheng said, holding a smaller but sharper obsidian flake in his hand, came to the river, quickly harvested a large number of cattails, and introduced while harvesting: "Cattails are born in lakes, ponds, ditches, swamps and river slow-flow zones, this is a very effective plant, his leaves are very tough, daily used for weaving, papermaking, etc.; The base of the young leaves and the tips of the rhizomes can be used as food and can replenish some carbohydrates. ”

"Adult cattails are also very useful, and their seed sticks are so fluffy that they swell out when pinched. It's the best material for velvet, and I'm lucky that I can make a bed and light a fire with ease. ”

While introducing, Du Xiaosheng classified the leaves of the cattails into dry and wet, the green ones were used to make beds, and the dry ones were used to burn the fire.

After making the bed, Du Xiaosheng sat on the small bed, reached out and patted the wooden bed off the ground, and walked around the camp with a GoPro camera.

"Actually, I can make my makeshift tent a little more comfortable, and when I go to collect firewood, I can get some soft larch and sun-dried moss to make a bed. But it's too late now, I should have raised the fire first, and the sun will set completely in a moment and it will be troublesome. Du Xiaosheng said, used the backpack as a pillow and put it at the head of the bed, and then moved a few stones by the stream and threw them on the bonfire set up next to the shack.

"Okay, it's already set up, it's going to be dealt with tonight for one night, how about you see?"

Du Xiaosheng held an action camera in his hand, circled around the shack, and deliberately took a close-up of the bed.

"Damn, the anchor 6 turned the sky upside down, and when there was nothing, he really built such an exquisite nest!"

"Amazing, right? With this skill, the anchor doesn't need to bring a tent wherever he goes! ”

"It's so much better than a tent, it's breathable, it's comfortable!"

"Awesome! I would also like to stay in a small tree house like this. ”

……

Du Xiaosheng smiled slightly, stretched out his hand and patted the slope of the roof at an angle of 60 degrees, and said responsibly: "Even in the forests of Mexico, the temperature at night will drop to about 6 degrees, which is more than 20 degrees different from the temperature close to 30 degrees during the day. I made the roof slope like this, and the amount of fire that was lit would be lifted into my shack by the cold air from the lake. Then the hot air would sweep through my body at that angle. ”

"It's very important in the field, because it allows me to get a pretty good night's sleep."

Because there is an all-round coach to guide Du Xiaosheng in the virtual space, his explanation is very scientific, systematic and detailed, coupled with Du Xiaosheng's super hands-on ability, the whole live broadcast is fascinating, so that the audience can learn knowledge without feeling boring.

After finishing the shed, Du Xiaosheng piled the dry firewood he picked up near the stone pile, and then took down the cattail seeds and made a big fluffy flint, and then wiped the flint on the flint, poof! As a few sparks flashed, green smoke rose from the flintvel......