The interior is fully silver gilt (gold on top of solid silver) which not only creates a lovely contrast to its exterior silver colour but adds a layer of protection to prevent the content held within from tarnishing the silver
Metsl J, Lundqvist A, Kaila M, Gissler M, Klaukka T, et al
doi: 10.1177/21526567211004251
This psychological distress may also make it harder to maintain sexual arousal
No, I dont actually have an odd tickling or skin torture fetish, and neither does Prince Harry at least as far as I know
With such a small number of boxes released, getting these when they were released would have proved difficult, but finding them on the secondary market shouldnt be too much of a hunt