Dilute the paint to a watery consistency and pour it into the storage tank, hold it like a pencil and paint/write evenly over the surface, allowing the paint to glide gently. Precise and Fine Tip: With an extremely fine tip to give you a seamless, consistent width line that doesn't drip. Easy to Clean: To clean the pen's precision tip hole, it comes with a cleaner to prevent the tip from being clogged with foreign matter. Vintage Curved Stick Design: Brass construction with a serrated curved handle handle gives it an ancient feel, as if it was used from the Middle Ages to the 19th century AD when quill pens were used. Widely Available: It has a pigment storage function and a very fine tip for artistic activities such as viewing, drawing and writing, and is also suitable for renovating some furniture and hardware (small pieces of paint in need of repair). Multi-Surface Applications: The Curved Fine Line Crayons are used as an artistic creation medium to add a variety of paints/inks/liquid metals/enamels to almost any flat surface. OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.