Column caps can finish your wall.
Decorative column caps can play a significant role in finishing or accenting a wall and/or column. Caps can be designed to integrate column with the wall,(see V Groove) or accent sections of a wall, or complete the aesthetics of a wall. Independent column almost always have some kind of cap. Caps can also be done in rock.
No matter what kind of wall or column is being used there are a variety of choices for column capping. Their are even many third party suppliers that offer custom column caps that we can attain but one should have this figured into their budget as they can prove to be a significant cost item.