When I first saw posters advertising the event "Demonstration about violence against women", my response was a bit, meh. Even the most sexist of chauvinists is not going to be in favour of violence against women, and having a protest about it is not going to convince the few psychos who are pro-violence. Recently, the posters with more detailed info have gone up and apparently the full title is a "Day of feminist protest about men's violence against women and children". That really put me off, because lumping women together with children as vulnerable people that one has a duty to protect doesn't seem to me to be a particularly feminist way of regarding the issue.
The girls with nipple tassles and thongs dancing in the rain with more enthusiasm than skill haven't really changed my mind on this. Violence is bad, duh. Demonstrating to that effect seems singularly pointless, and dividing up violence according to the gender of the victims is possibly even counter-productive. In as far as feminism is about working against anti-women violence, I am pro-feminist (as any sensible person would be). But if feminism is about devoting one's resources to methods that are likely to be totally ineffective, then even if the cause is worthy, I can't be bothered.