Protestors in Hong Kong have figured out how to extinguish tear gas canisters that police throw at them. They cover it with a traffic cone then pour water into the hole at the top of the cone, which stops the canister from emitting tear gas.
Protestors in Hong Kong have figured out how to extinguish tear gas canisters that police throw at them. They cover it with a traffic cone then pour water into the hole at the top of the cone, which stops the canister from emitting tear gas.