Sounds like your tetherspout is simply too big. These cheap sets you can buy on Amazon which come with only one ring and a comically large and non...
Seems to be a plastic variant of this one: https://www.chastitymansion.com/forums/index.php?threads/blast-from-the-past.46151/
Thanks for the quick replies. I should have noticed it's a type of Vice. The one from the Amazon link I've seen a lot. The one from the video...
https://pornhub.com/view_video.php?viewkey=ph62165799d9621 Haven't seen this one outside this video. If anyone knows where to buy, or even has...