First of all, traditional marble locks and atomic locks, whether padlocks or door locks, whether single-key slots or cross slots, insert keys into slots, extrude marbles with uneven teeth, so that the outer edge of the core is even, thus turning the axis and pulling the lock tongue to unlock. Because of the small number of keys and the high repetition rate of key teeth, this kind of key often opens many locks with one key, and the locks and door buttons are easily destroyed.
The King of the Lock's universal key can unlock the lock in seconds. Users often sneer at themselves: "A gentleman can't lock a villain". In many cases, locks become ornaments. However, despite so many faults, people's anti-theft habits have made it continue to use for thousands of years. So far, many technologies and new products have emerged. Although to some extent, they make up for the shortcomings of marble locks and atomic locks, they can not replace the advantages of simple production process, low cost and low price of marble locks, but their own insurmountable shortcomings are becoming increasingly fierce. Dew. Security has become an important concern for many people.
