Use the Mr Clean Magic Eraser...it helps fade that black line.I'd rather have the fading than some ugly black sharpie line going all over it!
Thanks Stinas. I've heard that, but haven't gotten up to buying a pair on eBay with the black line. Right now I think it bothers me more when a previous owner put a non-red sole on the bottom "for protection" and that can't be erased!Use the Mr Clean Magic Eraser...it helps fade that black line.