A professional who operates machine to mold outsoles or insoles to conform to shoe last at shank and arch. Responsibilities include:

• Turns thumbscrews or moves lever along calibrated dial to adjust last and size guides to specifications.
• Sponges grained surface of sole at arch to soften leather.
• Positions sole on die and against guides.
• Pulls lever to lower mold that presses sole against die, shaping arch and shank.
• Replaces dies and molds when last or shoe sizes change.