Digital Palette Knives Brushes for Photoshop_free by MartinaPalazzese on DeviantArt
Amazon.com: ARTIFY 15 Pieces Paint Brush Set, Intermediate Series, Includes Pop-Up Carrying Case with Palette Knife and 2 Sponges, for Acrylic, Oil, Watercolor and Gouache Painting - Pearl White
Palette Knives - Brush Pack for Photoshop
Putty Knife Stroke Brushes | Free Photoshop Brushes at Brusheezy!
Amazon.com: 16 Pieces Premium Artist Paint Brush Set - Includes Palette Knife, Sponge, Organizing Case - Painting Brushes for Kids, Adults & Professionals - Perfect for Your Watercolor, Oil, Acrylic Painting Art :