I try to make the best use of space that I can. Drawers I made to roll on wheels. To keep wheels from bumping against each other or legs of the bed, I mounted wheels inside, rather than outside the drawer. Rollerblade wheels, with their ball bearings and rubber outsides are ideally suited for this purpose. I had already procured a pair of old kids rollerblades for a few bucks at a yard sale for this very purpose. A rather cheap source of wheels, considering the price of caster wheels.