This is pretty self-explanitory.
WARNING:This is real fire and I suggest adult supervision also I am not responsible if you get ingured attempting this instructable.
Step 1: Items You Will Need
You will need:
Altoids small tin
a hammer and nail
Step 2: Empty the Tin
empty the tin
Step 3: Make Holes
hammer the nail to make 9-12 holes
Step 4: Insert Grass
put the grass in the container
Step 5: Light
light and close the container for a heater ( put your hands over the holes)
or leave it open to burn small marshmallows.
It also works as a heat source for the pocket grill or pocket frying pan.