cryptex

Cryptex is a mini-safe, it belongs to one of Leonardo da Vinci's inventions in which secret letters and manuscripts were stored. To open it, it was necessary to place a code word on one line. If it was opened by force, the breakable ball inside it filled with vinegar would break and it would be impossible to read the manuscript soaked in vinegar.
Item composition: brass
Includes: two rings
It is possible to change the code word
An incomparable gift for your other half