They are making you stand for 8 hours with no bathroom or food breaks? Or you are going to a concert festival and are choosing not to use the rest room?
Either way you will need to use the rest room. The possibility of an accident in your clothes should make finding a place to change out your pad a necessity. Even if you have to change out in a car with a towel up.
Most women have been in a type of situation like yours and have had to come up with inventive ways to handle our business.
