It was something they had done before to other boys to have fun shaming them in front of girls that couldn't get enough of it.
In the eyes of vulnerable boys, being forcefully stripped and humiliated in front of a group of girls for their sexual entertainment is probably even more traumatizing than one girl forcing herself on him.
I went there and i saw her in a very sexy dress.
I know naked spankings and the use of nudity as punishment wouldn't stand now days.
Towel whippings, nipple twisting were the order of the day and couldn't do anything about it.