Chastity Ring not fitting? Nothing to worry about!
Oxy-shop is the only shop offering spare Chastity Rings with a Binding loop. These rings are fitting to HTV4 devices with Bindin Loop or without it.
This is a great option if you will spend quite some time being locked in Holy Trainer and need other ring sizes for the Chastity device. You came to the right place if you want to switch from a normal ring to a Ring with a Binding loop.