A professional who tends machines which combine strands of sliver (usually 12 or more) into lap ii and winds sliver into rolls. Responsibilities include:

• Pulls cans of sliver to creeling position.
• Threads ends of sliver through guides, stop-motion device, and rolls, and onto takeup pin, or attaches end to preceding end by overlapping and twisting sliver with fingers.
• Patrols machine area to detect exhausted ends and observe lights indicating machine stoppage caused by sliver break.
• Pieces up broken ends.
• Removes lap and replaces empty pins.
• May depress pedal to raise roll of lap for doffing or loosen holders by hand.
• May tend combers, ribbon lappers, or drawing frames.