A professional who tends machine that applies ink or stain to color edges of shoe soles or heels, by any of following methods. Responsibilities include:

• (1) Inserts and guides outsole or midsole between pressure roller and ink-covered rollers of machine.
• (2) Depresses pedal that separates feed rollers; releases pedal that closes and starts rollers that hold and turn sole edge against inked wheel.
• (3) Positions and guides soles under machine nozzle that applies ink or stain to edge of attached outsole.
• (4) Positions heel against machine guide and turns heel against revolving brush that applies ink to heel edge.
• May be designated according to part colored as machine heel-edge inker; machine sole-edge inker.