Smoke From Fingers

EFFECT: The magician shows his hands empty and just by rubbing his fingers together smoke starts to rise out from his fingers. When the magician is done he shows his hands empty again.
MATERIALS: You will need a box of matches, and a steel plate.
METHOD: Cut off few of the brown ends where you usually strike a match. Burn them on the steel plate. After they have burnt a green powder will be left. Take some of the powder and put it in your thumb and pointer finger. To perform this trick show your hands empty the green powder will not leave anything in your fingers that anyone can see. When you rub your pointer finger and thumb together smoke will rise from your hands.
TIP: When the brown stuff have burnt let them cool for a few minutes so you don't get burn. Wash your hands after you finish performing the trick ( for your own safety).