Gas Canisters

I picked up some gas canisters from Black Cat Bases as I thought they'd be a decent game-changer in the zomb-apoc setting. Inspired by Left 4 Dead, the gas canisters would be strategically set up by survivors when they're holding out, or passed by whilst making an escape attempt. The survivors could then shoot the canisters, causing an explosion and taking out any nearby zeds. Noisy, but effective...