nostr:npub1v7t4yx9vxtv3mat0hdsduuym4fvjd5dzmdlh82ssa40phr965h2s2lck6k nostr:npub1srhg4hk63ew68kepu0znazgf9tdl089dkur5artp440htxqrc8zsqz8g90 nostr:npub1pnpez7cn4h04pxg07dmmklzyz7u7fm0w2ddrw220qh785rq3m42ql452zw I remember trying one of these little flap disc attachments for drills (for people who are too cheap to buy a dremel) and I ended up finding sandpaper was easier purely because of the difference in surface area. I don't remember being in any danger of putting a dip in the surface however (mind you I was being careful because I had the same fear you did), I actually ended up swapping to one of the harder nobby ones in the kit only to be similarly frustrated.

https://media.clubcyberia.co/pleroma/0378c0b0f93f3beec84a8e5c8f61b76b9240fe2d1ee23b80ba75722f6ddd7ca5.jpg