SANDPAPER! at some point, we all end up using it, and for the times when using a power tool is too much, and a sponge just wont do it. you’re gonna wanna use sheets of it,
one of the worst things about using paper is sometimes it may fold, or bend or ripped or feel worn out, but whats really happening is the paper is losing its integrity while the grit is just fine.
heres a quick and easy fix to that