The trick is not to burn the gear, put about 100mg down on the foil then heat underneath with a lighter. Keep the flame from directly touching the foil, your gear should turn into a dark brown/black puddle. Chase that puddle up and down the foil with a foil toot in your mouth inhaling the fumes as you go.
Take a break after every couple of lines, see how affected you are before carrying on to reduce the chance of OD'ing.