Since I clean my brushes when I am finished painting for the day, I often have 10 or 12 brushes with paint on them. I could never find a place to keep them without them getting paint all over each other. I cut X's in the lid of a nut can. This keeps them separated. Now on to cleaning without solvents. I use a solution of half water and half Murphy Oil. It works perfectly. Bristle brushes need to be rinsed and dried and not allowed to sit in the solution or it will ruin the bristles, but that is the only caveat.