[Sword Three] Taoist Priest, What on Earth Is This?

Once you find that thing, it's hard to look away. After all, it is very eye-catching. A leather belt made of black silk and gold thread embroidered with clouds ran down the collarbone and was tied diagonally to the chest. It suppressed the right inner garment and then penetrated the chest unscrupulously. It was as if a hand stretched out from behind, caressing the thin chest, and opened the left inner garment, just enough to reach the tip of the left chest. There is no reason, no rules, no allusions... Taoist priest, what on earth is this? * If there must be a CP, it would be Yan Tianxingnan x Taoist Master Chunyang, Brother Xiao x Brother Li, a fortune-telling team. On October 14, 2024, this person wrote a short story about the weird belt on the chest of Chunyang's new school uniform "Cisse Tou", and also asked his wife to draw a schematic diagram of the belt! Concept: Generally speaking, this thing is a gun holster, but there were no guns in the Tang Dynasty, so what on earth is this?