"How do you have this recording?" Chén Qīngsōng asked, puzzled.
"The elders at home made it for me." Liǔ Cháoquè took out an exquisite hairpin clamped in the middle. "This is actually a camera, but don't worry, it turns off automatically when I go indoors."
Chén Qīngsōng had seen many pinhole cameras, but he had truly never seen one where the line connections were completely invisible like this. He even suspected it was just an iron butterfly clip.
Chapter 25