In decorative, open-timber roof trusses, short posts set against the wall, bearing at bottom on a stone corbel or capital and supporting, generally with the aid of a curved brace, the wall end of the tie beam, or hammer beam of the truss. In decorative, open-timber roof trusses, short posts set against the wall, bearing at bottom on a stone corbel or capital and supporting, generally with the aid of a curved brace, the wall end of the tie beam, or hammer beam of the truss.