Charcoal tablets
Large 5 cm - 10 slices per roll
Medium 3.3 cm - 10 slices per roll
Small 2.7 cm - 6 slices per roll

Light the charcoal with a lighter or match. Place the charcoal on a fireproof surface such as an incense burner with a net or a shell. Use sand on the bottom of the shell to distribute the heat