You see she seems to like it! She even switched it to complement the bathing suit color.
And yes well you could not have it without removing it long enough to perform the daily hygiene tasks, but that could be taken care off in the presence of the Key Holder who, of course, would make sure nothing else but the tasks needed to be performed are indeed performed.
On the other hand: the plugs could be modified, ie. One could install blow-up devices. The rear one could have a straw like opening in the middle to allow the administrations of regular enemas, than the only time it would have to be removed is to evacuate the enema, which again can all be done in presence and under the watchful eye of KH.
Or you could have one that is designed with the rear opening in mind: