You'll usually need a little more than that if you go through his website contact form. I emailed this dips**t, through his site, and I needed to have an address in his district for the message to go through. So I used the Durant townhall, which is a town in his patch of dirt.
Come to think of it, maybe that'll work for a voter registration, too. Seems the Dems get to do that all the time...
Kyle Rittenhouse didnt have a choice but look what he’s been charged with.