I’ve got an explanation: Ling Rong loved ZH too much and wanted ZH to love her back. But ZH gave her affections to Mei Zhuang so Ling Rong wanted MZ to die. 😛
The link above is very nice! I love the amber nail guard most~~
Actually Qing Dynasty ladies do wear long nails on the 4th & 5th fingers. Sometimes as long as 2 inches. So nail guards are pretty useful.