Introduction
 Sometimes, even while wearing a “chastity cup”, I can sometimes fall-into a fantasy where I end a semen retention “run” with a female-assisted slow edging and an ejaculation.  If I am not “ready” to ejaculate but do anyway, have I failed in chastity?
The Solution
 While starting to listen to a nice track this morning for prostate health, I made sure that my box of tissues was  completely   out-of-reach.  Usually, I put the box close-by “just-in-case”.  But invariably (and I am now in Day 6 of SR) I could be tempted to rub-one-out.   So I was sure not to have tissues or a towel or anything else nearby with which to clean-up.  And guess what?  It worked!    Following an early-morning dream sequence, I awoke with a very arousing erection and felt like I could want to ejaculate.  But still wearing my Mueller cup and feeling the pressure building-up underneath  from my stiffening cock, there was nothing I could do but to remain in chastity!  It was very frustrating yet at the same time so rewarding!
Conclusion
 At any time, but especially in later-day SR, removing all ejaculation “assists” will greatly help to remain in your  self-imposed  chastity!   I know from experience that having clean-up materials nearby can be very risky!  So just keep them away!   Remove the temptation!
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Source: https://www.aneros.com/blogs/a-simple-chastity-trick/