A professional who leads activities of workers engaged in doffing spinning frames, applying knowledge of yarn types and duration of spinning process. Responsibilities include:

• Transmits instructions from supervisor to workers and observes workers to ensure that procedures, rules, and regulations are followed.
• Reports work rule infractions to supervisory personnel for resolution.
• Explains and demonstrates doffing techniques to train new employees, and assists workers in resolving problems.
• Patrols work area to determine frames requiring doffing.
• Observes taper (build-up) of yarn on bobbins to determine frame doffing priority, utilizing knowledge of yarn types being processed and length of processing cycle.
• Posts frame numbers on chalkboard to inform workers of doffing schedule.
• Verifies accuracy of doffing production reports and submits report to supervisory personnel.
• Pieces up yarn breaks detected.
• Maintains supply of spinning bobbins and doff boxes (attachments for handtrucks) for workers to facilitate doffing of frames.
• May perform duties of absent workers.