A professional who tends machine that winds sheets of selvage yarn onto spools. Responsibilities include:

• Positions yarn packages on creel and threads yarn from comb, through guides, stop motions, and expansion comb and laps yarn ends around takeup spool.
• Starts machine and observes flow of yarn to detect breaks in yarn.
• Stops machine and pieces up broken ends.
• Doffs full spools of selvage yarn from machine.