A professional who threads warp yarn through needles to prepare warp-knitting machine for knitting. Responsibilities include:

• Removes paper covering from warp spools or beam mounted on machine, and turns spools or beams to align yarn ends.
• Cuts tape holding warp threads at intervals, using scissors.
• Loops yarn ends over sley points (yarn guides) and pulls ends to front of machine.
• Draws yarn through open hooks of needles, using threader and dobber, and ties ends in bunches to facilitate handling.
• Starts machine and winds end of cloth on takeup roll. Ties broken threads with fingers, and assists in hanging warps and cleaning machine.