Best solvent to clean Vibrapod marks?

I "used" Vibrapods to isolate my gear on my audio rack. Well, come to find out, they leave a rubber like substance on the surface when you remove them to clean, etc. Does anyone know the best solvent that will remove this stuff, that won't take the stain or finish off the wood? I have tried some mild solvents to no avail. Any suggestions would be greatly appreciated. I looked through the threads, but could not find any other references. Thanks!