B&C Laboratories Makemania Super Fine Eye Liner (Black)
This waterproof eyeliner helps you to create a fine and smooth eye line in a minute. The tip is made by soft fiber so you can control the application easily with long-lasting result. 

How to use?
Draw a fine line on the root of your eye lashes.

For more information about B&C Laboratories:
http://www.bcl-company.jp/