On May 4, 2013, at 7:42 AM, Jeremy Stovin <jjstov@YAHOO.COM> wrote:

I was originally recommended to use this attachment on my drill that is like a rubber eraser, but I had not been able to find this. 

That's what I've used a couple times.
http://www.youtube.com/watch?v=XdaGbT3b-sY

Astro Smart Eraser here:
http://www.tcpglobal.com/autobodydepot/adhremove.aspx?gclid=CMWb2ZDf_LYCFQnhQgodiSoAnA

I got mine at a local marine products store.
Body shop supply stores also have them.
bob