Some have stitched their lips together in another grim form of protest.

She believes that the trick was a form of protest because rabbits were a symbol of elite privilege.

It was, admittedly, rather an unusual form of protest.

I'm really cross about it because it's a particularly inarticulate form of protest.

He calls the occupation of campus buildings a legitimate form of protest, but says occupations need the democratic support of the local student body.