It can be anything from a gentle reminder to a vicelike grip, depending on your arousal level.
My girlfriend of four months has unofficially moved in with me.
Savage Love: The reality about male chastity devices
For many male subs and their Doms, the symbolism of a male chastity device is what matters most, not its inescapability.
I would very reluctantly do it to please her. Why would a person bother to wear one. And as with other forms of sex play and most.