Of full-fledged professional coffee flavor can be tasted at home. Of full-fledged professional coffee flavor can be tasted at home - [Features]. [How to use] boil put the ball under water or hot water (1). Pull the chain on the ball (2) Put a filter, fixed hook at the tip of the foot but the hook. Hot water under the ball (3) has been to boil, set the ball put coffee powder. Stir enough to loosen the powder under the hot water of the ball (4) is fully up, I heated 1 minute. Wait ready to put out the fire (5) alcohol lamp, coffee on the ball to fall naturally.