Background
Have a headache? Take an aspirin!
Have acid reflux? Take an antacid!
Have constipation? Take a laxative!
Have an aching, ready-to-go-off erection? Take some chastity!
Analysis
Now, why do I draw this comparison? I am a regular proponent of wearing “chastity cups”*. They aid me in my regular Aneros sessions. They also feel good to wear and they help me when I want to avoid an ejaculation. With my regular practice of semen retention (SR), I am used to the testosterone build-up caused by this activity, typically at Day 7. As I get closer to an eventual ejaculation (either through the manifestation of “blue-balls” (to which I unfortunately am subject) through a wet dream or through a deliberate, “wet” edging session) it seems that my full attention is on the discharge of my semen. And my erections seem especially arousing at that time. I suppose that is the way nature intended it to be.
Technique
I find lately that rather than going to bed wearing a cup, I retire for the night just wearing regular pajamas (short or long) and expect to wake-up with a stiff one. Due to the NPTs (nocturnal penile tumescence erections) I can be guaranteed of at least one stimulating erection. I am circumcised and I believe that my frenulum was “spared”—there is a lot of sensation there; too much stimulation can trigger an ejaculation. The “chastity cup” prevents some (but not all) of this stimulation and so helps to quench that “ready-to-cum” feeling near the PONR.
Out-take
While “chastity cups” and “cock cages” both prevent penile stimulation and ejaculation, I find that wearing the cups (at least for me) is easier. It is just like putting-on a pair of underwear! But the side-effects of this “dose” are not insignificant! I welcome this “dose” when I neeed it! Touche’.
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* A “chastity cup” is nothing more than a regular jockstrap with a cup pouch and cup. The plastic or metal cup is anatomically-designed to envelop and protect the male genitals during rough physical activity.
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Source: https://www.aneros.com/blogs/a-dose-of-chastity/