Wire brushes, grinding wheels, and flap discs, oh my!
DIYer's Guide; Top 5 attachment for Angle Grinder | Ronix Mag
2" Roloc Sanding and Grinding Discs for Die Grinders
amoolo 4 1/2 Inch Flap Disc, 10PCS-60 Grit Angle Grinder Sanding Discs, High Density Abrasive Grinding Wheels Type 29 for Metal/Wood Grinding (7/8 inch Arbor Size) - Amazon.com