A professional who draws warp yarn through loom parts to arrange warp for weaving specified pattern, following pattern chart. Responsibilities include:

• Reads pattern chart to determine information, such as type warp to be drawn, number of harness frames, and type of reed required for pattern.
• Positions warp, harness frames, drop wires, and reed on or in proximity of drawing-in frame or loom to facilitate drawing-in process.
• Selects warp yarn according to lease, color, and sequence indicated by pattern chart.
• Pulls yarn through drop wires, heddle eyes, and reed dents, using reed hook. May repair warp yarn on loom when numerous threads are broken.
• May be handed warp yarn by coworker, during drawing-in process.
• May be designated according to type of loom on which drawing-in is performed, as dobby loom drawer-in; jacquard loom drawer-in; plain loom drawer-in.