Put on your face shield to prevent injury from flying metal debris.
Position the tool rest on the center line of the wheel. The tool rest is in front of the grinding wheel and is used to provide a surface to support the metal as you angle the piece during grinding.
Hold the metal stock firmly by the base with one hand.
Move the metal stock from left to right across the face of the grinding wheel. The movement from side to side should be consistent to ensure a smooth, round edge. Jerking the metal or moving too quickly may cause a pointed edge instead. Move the opposite end of the metal, the one furthest away from the grinding wheel, in an arc shape to complement the side-to-side movement of the edge being rounded.
Continue to move the metal stock from left to right until you reach the desired roundness for your metal.