i found that my keys did the same of scratching up my handlebar clap to no end and the vibration annoyed me to no end. But the cool thing i lucked out on was my place of work has aluminum anodizing and i had them anodize the clamp and handlebars and had them dye it to match my bike and i have to say that the scratches go away and no more are created and the vibration is reduced but its not as annoying as before.