Very practical, incredible easy and very durable, you can use different abrasive paper grits.You just need:Dremel or any other rotary tool.Sandpaper similar
DIY - dremel sanding drum/band making
3 Simple Ways to Make Sanding Discs for your Dremel / Rotary Tool
Видео homemade dremel tool
Dremel Sanding Band Will Not Slide On Sanding Drum Fix
What do those Dremel bits do? Well I'll tell ya!
WEN 240-Grit 10 in. Pre-Cut Ready-to-Wrap Drum Sander Sandpaper (4-Pack) 65910SP240 - The Home Depot
Drill Hack Sander Easy Idea
Open your drum head quickly with this free 3D printed part
Grit: 80/120/240/320/400/600. Circular Disk Saw kit(Includes 42 pcs). Shank size: 1/8(3.2mm). - 2pcs Rubber Mandrels. Uses: Suitable for carving,
1/4 Drum Sander Set for Dremel, Grit 80 120 240 320 400 600 Small Rotary Tool
Diy drum sander Alex makes things