The thing is certainly needed and useful, that's just not always want to buy packing of plastic screeds, if you need a couple of clamps.
Well, or for example, you turned out to be in such a situation that it was nowhere to buy, but you need to do right now. Let's consider the easiest and most reliable way to make an analogue of plastic screeds.
For this we need any plastic bottle.
Cut the middle part.
Cut the strips of 10 mm.
We make three marks.
Now we need to make three holes.
Make this markup.
Cut.
Our clamps are ready, you need to delay this way here:
To break such a tie is very problematic, we hope that our material was useful for you.