Angelina that would be true if the key holder was some strange adult, but in most cases here it is one's own parents
SInce most sexual abuse happens with close family members, I am afraid that is no excuse.
Ines Using a belt you are considering that the wearer has a developed sexuality
Or you are trying to be proactive instead of reactive, attempting to ensure they do not develop unwelcome habits so you do not have to break those habits later.
Of course, interfering with a person's sexual development is a precarious situation, and normalizing the idea that someone else controls your body before you really felt profound sexual desire in your life carries some seriously unfortunate implications, but if you look at it from the perspective of preserving your perfectly innocent angel, if you wait for their sexuality to be fully developed, it may be too late for that preservation.