Zhou Yun has never heard of the nine-son chain lock, but Zhou Yun knows about the nine-son chain.

However, the Nine Sons Series is mostly an educational toy in modern times, and it has nothing to do with the small box in front of you.

So Zhou Yun simply shook his head.

Seeing this, Gong Lianxue didn't say anything, and immediately explained: "The so-called Nine Sons Chain Lock is actually a strange lock, just ......

Chapter 93 of "The Best Little Scholar" is this? I am hitting it in my hand, please wait a moment,

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