Wow, those are a bunch of assh*les! I'm so sorry they did that! I'm not good with hair and stuff, so I sadly won't be much help, but, you could always wear a beanie or something, I guess. Sorry, I' m not good at this.
Yeah, probably i will wear some hat)
Thanks a lot for help))
ps sorry if i make some laguage mistakes, im from Russia :)
Oh and also you can go to the police to report this...In the US it's assault and battery.