Smoke

The [put the name of the smoke grenade ingame here], used by the SL's of both sides.

Usage
Press M1 to arm the grenade. Release M1 to throw. Feel free to cook for how long you want, unlike the other throwables, this wont blow up in your face. The grenade will emit smoke, which takes a moment until it's peak. Here's your smoke cloud. Make sure to throw it where it's useful beforehand!