If you want to try out a pistol-grip style cutter without a major investment, now's your chance.
Many people find pistol-grip cutters much easier to hold than the pencil-grip type -- especially those of us with weak or injured hands. When using a pistol-grip cutter, your hand wraps entirely around the handle. You'll find you have better cutting control, and that it takes less pressure to make a good score. Comes with a narrow cutting head.