A professional who tends machine that trims edges of shoe parts, such as heels, outsoles, or uppers to remove excess material. Responsibilities include:

• Turns knobs or setscrews to adjust guides and cutting blade as specified.
• Holds part against machine guide and presses it against cutter to be trimmed.
• May depress pedal that raises guide plate to move part into cutter.
• May be designated according to area or part of shoe trimmed as heel-seat trimmer; heel trimmer i; top-lift trimmer; top trimmer i.
• May be designated: apron trimmer; boot trimmer; cut-out worker; rolled-seat trimmer; seat trimmer; upper trimmer.
• Important variables may be indicated by trade names of machines used.