A professional who examines skeins of yarn to detect flaws, such as soils, slubs, breaks, and uneven dyeing or twisting. Responsibilities include:

• Shakes skeins to straighten yarn, hangs skeins on rod and spreads and pulls yarn around rod to locate imperfections.
• Cuts out slubs and ties yarn ends together.
• Examines winding and tying of skein to determine if skein has been made according to job order.
• Weighs skein from each lot and records weight.
• Records number and type of flaws found in each lot of yarn.
• Knots hank of yarn around several skeins to form bundle and packs bundles into boxes for shipment.
• May remove soils with cleaning fluid.