Yes, even cats can be smelly too, and placing their things in a certain area will keep the house clean and smell-free. You can put them on the backside of the house, kitchen, or other rather secluded areas. Is
You might even make them from oak and have it look like part of the cabinet. The advantage of "setting the cabinet on a shelf" is being able to adjust the brackets to ensure that you hit the studs. It might aid in centering the cabinet on a wall where the studs are not "cooperating...