Maija
I have doubted asking this, because it is not my intention to make you feel bad, but do you feel that your acceptance of your chastity gear has any effect on how your father is introducing the thighbands, and perhaps more later, to your sister? Of course I don't know him, but I can imagine that some fathers think that if the older sister even starts suggesting extra safety features (connecting chains during the day), the younger will also quickly get used to them, even if she protests initially (as you did). I don't think this is a valid way of thinking; look for instance at the difference between Sara2001 and her sister; I think your acceptance is exceptional, and says nothing about how readily your sister will accept the restrictions.
Like I said, even if this is the case, I'm not trying to make you feel bad about it, but want to suggest that you talk about it to your father. I know he makes all the decisions, but perhaps explaining this to him, he will be a bit more careful that he does not automatically apply all your restrictions to her?
