Thanks to the small grooves on the body of nib that draw the ink down to the tip, several lines can be drawn with just one dip. We recommend using it with fluids that come in a bottle so that you can dip directly into the ink. It works beautifully with India ink, acrylic inks, walnut ink, etc. One of our favorite uses is for applying masking fluid to watercolor paper since the pen is so easy to clean and gives small, even lines. Just be careful not to press the tip too hard into the paper which would make the masking fluid difficult to remove.