The holes of the two cups were indeed connected by a thin hemp rope and then clamped with a small wooden stick.
"Haha, we're not here to eavesdrop today."
Shen Yuyao laughed out loud. Xu Yunxuan actually thought that this kind of children's toy was useful?
"Besides, yours is too... crude."
Xu Yunxuan looked at Shen Yuyao strangely.
Do the people in these books know what this is?
Aren't there only eavesdropping devices in your own world?
Although this eavesdropping device is indeed a bit crude, shouldn't these ancient people think it is very powerful?
"I know it's a bit crude, but you don't have the right material here!"
Xu Yunxuan was a little disappointed. These ancient people still didn't understand the mysteries.
"Yunxuan, you're planning to use this for eavesdropping, right?"
Shen Yuyao asked with a soft smile.
"Yeah," Xu Yunxuan frowned and said, "Don't you have this here?"
"Of course there are. We call them 'listening jars' here. They are made of ceramics."
Shen Yuyao also wanted Xu Yunxuan to learn more about the ancient times she talked about. If Xu Yunxuan returned to her world one day, she could also let the people there know a more real ancient time!
"The Ting Weng is shaped like a pottery jar with a small mouth and a large belly. Small Ting Wengs are available in the equipment warehouse of the Guarding Division."
Shen Yuyao explained while gesturing.
"The big ones can hold a person and are often used on the battlefield. If there's a chance, I'll take you to my eldest brother's border and let you see what it's like!"
......
"Princess, the people have arrived!"
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