What happened to the loose Maotai beads?

The function of pine is anti-counterfeiting function. According to the query wine network, Maotai wine bottle beads are made of glass. The function is anti-counterfeiting function. Secondly, because this glass bead is stuck in the bottle mouth, it won't pour too much at once when pouring wine. After all, Moutai is expensive, and it will be wasted if spilled. The last function is to prevent the aroma of Moutai from volatilizing after opening the bottle. When drinking, the wine will not be covered immediately after pouring, so if there are these two glass beads, the aroma will not evaporate so easily. Moutai is a traditional specialty wine in China. It is one of the world's three largest distilled spirits, which is as famous as Scotch whisky and French cognac, and also one of China's three famous wines. It is also the originator of Daqu Maotai-flavor liquor with a history of more than 800 years.