Not sure what this is or how to go about removing it. It looks like fiberglass resin got dropped on the paint and it’s stuck. There’s a spot on the right where the previous owner tried to pick it off and it chipped the paint. I can’t scratch it off with my nail. Tried an eraser wheel and nothing. Tried a piece of 60 grit and it seemed to work but that’s to risky. Any thoughts on how to get this off?