What a thing: the strangest finds. Issue 135

And here is the new series of our irregular feature "Explain to me what this thing is?". Perhaps the post is well known to you and does not need a long introduction. So we invite everyone to watch. So, what are the things found for internet experts today?

I moved into a daily apartment, and there this thing is in the socket, it's also screwed on. What's this?





Answer: This is a noise sensor. If the person living in the house wants to have a party, the sensor will pick up the noise and notify the owner, who will come and kick everyone out.

What is it? A wooden handle, a plate with teeth?





Answer: This is a veneer saw for cutting veneer.

What is this metal folding turtle?





Answer: This is a holder for a ball of twine or rope. The end of the rope is pulled through the top hole, and that's it, you can work with the ball without fear that it will roll off somewhere.

What is that rubber thing near the window on the Swiss train?





Answer: This is a folded holder for snowboards and skis. It must be placed perpendicular to the wall, and the rubber inserts will perfectly hold the skis.

What is it in the car?



Answer: This is a driver tracking device. If it suspects that the driver is tired or falling asleep, it will emit loud alarms. Advanced systems on modern cars can measure driver fatigue and, in some models, take over control.

Why do we need straps on the straps?





Answer: These are anti-kickbacks, they are responsible for fixing the upper part of the backpack and evenly distribute the load over the shoulders. By and large, they are not really needed on such a small backpack, unlike a large tourist one. You can put a rug under them.

What are these pens?





Answer: These are handles for cans of beer.