- 1). Set up the tattoo machine, attaching all cords and wires. Wear gloves while handling the machine so as not to spread any germs. Connect the gun to the machine as well.
- 2). Place the liner needle into the gun. For a liner needle, the tattoo machine's voltage should be set to approximately 6.5 volts. Adjust the dial on the gun's contact screw so that the distance between the front spring and the needle is about the thickness of a dime.
- 3). Exchange the liner needle for a flat magnum shading needle or a round magnum shading needle. Since a shading needle contains more needles, the voltage should be set to approximately 8.5 volts. This time, however, adjust the dial on the gun's contact screw so that the distance between the front spring and the needle is about the thickness of a nickel. For a lighter shade, decrease the distance; for a darker shade; increase the distance.
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