Only for the supervised cleaning breaks and maintenance session.
Of course when I have to go to the doctor.
As long as I had sport class in school on these days while in school.
And a few times during a flight when we go to holiday, but this happens only every 2 or 3 years. Mostly we go to holiday by car.
Since I wear the belt, I never had the chance or the courage to do something forbidden. In most cases it is just impossible or extremely risky.