ToolPro Bear Claw Foam Texture Roller 1-oz Black Multiple Finishes Water-based Wall Texture Roller in the Wall & Ceiling Textures department at Lowes.com
7 Wall Texture Types and How to Create Them - Bob Vila
Crow's Foot Drywall Paint Texture Roller - Apply Decorative Raised Texture to Walls and Ceilings - Amazon.com