C432

The string of Key that Meng Daocheng gave me was an old-fashioned Lovers Lock, which is in other words a copper handle. There are buckles on the left and right, and after pushing the Key into the keyhole, they can be opened by pressing left and right twice.

Even in the former Qing Dynasty, this kind of lock was a high-tech tool. However, a gentleman should be on the lookout for vile people