Ahh thank you, a question that actually gives a context (you’d be amazed how rare that is).
Okay, I did check that on Android, it seems to work fine for me, but here are direct links to try:
And these are all the posts that explain the rules for those:
http://female-orgasm-denial.tumblr.com/tagged/wheel-of-denial/chrono
Just don’t stare at this one too long:
