They are advertising it as a numbing agent for the application or tattooing of "semi permanent makeup" . I think you are just misreading it.
I think if the bead on your barbell is not trying to go into your urethra, you are probably fine. BTW, I had that happen once, really...
By the way, that pinch might be the skin in the fistula gripping on to that barbell. I felt that "pinch" for about 3 weeks during healing.
May I suggest
Disregard my comment, I was thinking you were talking about the ringless impaler.
No experience with that device although it looks good in theory. The problem I have with the rigid chastity device is that they say it...