This video describes the process of tuning a tattoo machine. The video starts by explaining the different parts of the tattoo gun. The presenter shows the different settings for the contact screw. For doing outlines the contact screw should have a gap the width of a dime. If you are filling a tattoo in with shading, then adjust the gap to the width of a nickel. The presenter then hooks up the tattoo gun to the power supply and adjusts the voltage to eight volts.
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