Abstract: A panel can have a plurality of grooves. An insert can be installed into one or more of the grooves. The inserts can have one or more mating elements that protrude from the side of the insert. The one or more mating elements can be sized and positioned to help secure the insert within a groove.
Abstract: A container assembly can have a plurality of sides. Two or more of the sides has one or more grooves. An insert can be installed into one or more of the grooves. Clips can be used to connect groove(s) and/or insert(s) on one side of the container assembly to groove(s) and/or insert(s) on another side of the container assembly.