Do the laser cleaning CDs do anything?

I was wondering if these laser cleaning cd discs do anything positive

whatjd10-25-2012 12:50am

marakanetz Details Discussions Posts This discussion Message User 5,473 posts 10-25-2012 at 05:38pm Copy Comment URL Report Comment Edit Delete works almost the same way as if you hit 100mm nail with table spoon instead of hammer.