“How do I measure for a chastity device?”

I get this question a lot. Just yesterday, someone on Twitter asked for the advice. I’ve never put it all in one place but have decided to do so for two reasons. First, it’ll make those looking for the information more likely to find it and, second, it’ll save me the time of having to say it over and over. And over again.

There are three measurements you need if you’re trying to size a trapped-ball style chastity device even if you’re going to buy a mass-produced one (like the Holy Trainer or CB-6000):

• Flaccid penis length (tube/cage length)
• Flaccid penis diameter (tube/cage diameter)
• Circumference of both the penis and testicles combined (A-ring circumference)

You may also need to specify the gap width between the tube and ring but I’ve always left that to the manufacturer’s default and been satisfied. As far as…