smoke pot

thumb|Smoke grenades used at demonstrations in Paris, 2008 thumb|upright|British L83A1 Smoke Grenade manufactured in May 2008. This grenade has already been used A smoke grenade is a canister-type grenade used as a signaling device, target or landing zone marking device, or as a screening device for unit movements. Smoke grenades generally emit a far larger amount of smoke than smoke bombs, which are a type of fireworks typically started with an external fuse rather than a pin and are more complex. Smoke grenades often cost around compared to smoke bombs, which can often cost just a few cents.