Painting Quick Tip: Working with a Rigger (Liner) Brush. How to Use a Rigger Brush Watercolor Painting Lesson by Jennifer Branch. Rigger or liner brushes were invented by the French brush company Isabey to paint ships' rigging.
Liners, a rigger with a bit more of a reservoir, were invented for sign painters. The terms liners and riggers are now used interchangeably by most brush sellers. When you use a rigger in most watercolors, you hold the brush as far toward the end as possible and flick it. Using the Rigger Brush: Watercolor Demonstration. How to Use a Rigger Brush for Watercolor. Using A Rigger Brush.