This plug has always infuriated me, because sometimes you have to pull it with force and quite sharply, as a result of which oil spills. And sometimes the ring breaks and then it’s very difficult to open the oil. But not so long ago I found out why it is really needed.
Now I will tell you everything in detail. The fact is that the plug needs to be returned to its place, but before that you need to turn it upside down.
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After this, press the cap inside the bottle so that it is fixed between the slots. Since the plug is asymmetrical, there is always a small gap left.
This gap helps to dose the oil, that is, it will be poured in a thin stream.
