OCS How to decorate “Pots with seashells”? With just a few shells (or a lot) you can turn an ordinary inexpensive terracotta pot into a coastal gem.Displaying seashells in pot or clay bowls is cool but you can also use an old dough bowl or a rustic box for them, or take a cage for a very special display, you can actually find a container or a box for every style of your space easily. Such a decoration will work as a nice centerpiece for indoors or outdoors.