A professional who tends machine that cuts rolls of material to form chinstraps and punches eyelet holes in straps to facilitate attachment to helmets. Responsibilities include:

• Positions roll of material, such as fiber, leather, or plastic, on machine spindle.
• Threads material through feed guide and under blade of machine.
• Turns setscrews to adjust cutting feed guide to produce strapping cut to specified size.
• Starts machine that cuts and punches material, forming and perforating chinstraps.