Step by step instructions:
1) Remove the Cap
2) Extend the the wire off to the side to get it ready to pull
3) Grip firmly AWAY from the smoke vents (vents also show red on the ends where the smoke will come out of)
4) Pull the pin TO THE SIDE. Do not pull straight out or it will result in a "dud"
5) Keep all objects including clothes and body parts at least two feet away from the emitting smoke.