When a piece of wood could not be sawed one-handed, the carpenter tied it to a pole rammed firmly into the ground. To make sawing easier a wedge was possibly inserted into the cut in order to widen the gap or to prevent the tying ropes from closing it. The workpiece had to be repositioned occasionally which required tying afresh. To prevent it from moving during the sawing wedges were driven between the rope and the wood. In the scene from the tomb of Ti a