A professional who tends machine that winds yarn in sheets onto spools used on narrow-fabric looms or dresser machines. Responsibilities include:

• Places yarn packages on creel of machine and draws yarn ends through guides and tension devices.
• Lifts spool onto machine brackets and laps yarn ends around spool.
• Doffs spool when specified yardage has been wound.
• When warping glass yarn, repairs yarn breaks with splicing fluid.