A merchandising system includes a first cooperating member having a first engagement structure for engaging the mounting member in order to restrict movement of the first cooperating member relative to the mounting member in at least one direction. A second cooperating member includes a second engagement structure for engaging the mounting member to restrict movement of the second cooperating member relative to the mounting member in at least one direction. A third engagement structure is provided for selectively connecting the first cooperating member to the second cooperating member. The first cooperating member and the second cooperating member are selectively independently mountable to the mounting member and are selectively attachable to each other and mountable as a combined structure to the mounting member.