Well, this ones a lot better than that because the Taköhl Treasure Rings let you engrave your special message “inside” the ring. Maybe you can even hide secret “codes” in the ring. Yes, this ring deserves to be coined a spy ring too for being able to hide the text.
Now, the rings are not going to be anywhere near cheap side as the most basic model starts out at $1,200.
But yes, these rings could be great for any special occasions such as anniversaries, birthdays, or even a super-memorable engagement.