Glass cutter with attachment

A glass cutter comprising:

• a body having an elongated head at the front, a central grip section and a stem at the rear, said head having a rectangular notch at the top for receiving the edge of a glass pane;
• a glass scoring wheel mounted at the front end of the elongated head to extend below and to the front of such head;
• said central grip section being shaped to be gripped in a hand between the thumb at the bottom side and index finger at the top side with the stem between the index and middle fingers when the glass cutter is to be operated by pulling it in the rearward direction;
• and
• a detachable attachment formed with a bottom channel fitting over said head and having a raised portion in said channel fitting into said notch, said attachment being formed with an upwardly facing thumb grip arranged to have a thumb bear thereagainst with the adjoining index finger resting against the underside of said central grip section when the glass cutter is to be operated by pushing it in the forward direction.