Free Fine Liner Brushes for Procreate (22 brushes) by Disyukov on DeviantArt
Free Ballpoint Pen Brush Procreate :: Behance
PROCREATE Ballpoint Pen Brushes [Free and Premium] – BrushWarriors
Georg's Brush Club - Download 300+ professional Procreate brushes, harmonic color swatches, and practical drawing tools for comics, cartoons, manga, illustrations, painting, and concept design!