Mistress Lena has just written an excellent description of her long-distance keyholding techniques and locks.
It's a short but interesting read and can be found here:
https://lenaloveslatex.com/uncategorized/long-distance-chastity-made-real/
I can vouch for the security and the usability of the locks!
It's a short but interesting read and can be found here:
https://lenaloveslatex.com/uncategorized/long-distance-chastity-made-real/
I can vouch for the security and the usability of the locks!