Method of processing line drawing to double line - CLIP STUDIO ASK
CSP Brush: Double Outline
Look for the Helpers — Clip Studio Paint/Manga Studio tutorials for brush...
Is it possible to stroke selections with any tool you want, such as pen, brush, eraser, etc, like in Photo Shop? : r/ClipStudio
Outline Brush (境界線ブラシ) - CLIP STUDIO ASSETS
The border layer effect allows you to easily add an outline to your brush strokes. Learn three ways to take full advantage of this function, as well as a... | By CLIP
Color Change Cartoon Grass Clip Studio Paint Brush by calthyechild on DeviantArt