[spokeshave]

I sure hope they wait until the coldest and windiest day of the year to make their announcement, and then they bring out the largest, most powerful water cannons

They use sewer sludge in water cannons in Switzerland.

and in Japan (Narita Airport) high velocity water cannons that fire a slug of water loaded with pepper.

Protect the public with the world's most advance, non-lethal, remote-controlled water cannons by Unifire AB of Sweden.

[tanknetter]

Screw water cannons.

Make them burn

[ROCKLOBSTER]

They use sewer sludge in water cannons in Switzerland.

I don't think I've ever heard of rioting in Switzerland. Must be pretty effective.