A professional who reconditions and prepares harness frames for looms preparatory to drawing-in or storage. Responsibilities include:

• Inspects and replaces damaged heddles, slide rods, side hooks, and frame hooks.
• Removes or inserts heddles in harness frame for change in cloth style, according to pattern.
• Counts, measures with gauge, or connects harness to electric counting machine to determine number of heddles.
• Spaces heddles in sections between heddle rod hooks.
• May clean harnesses.
• May convey harnesses to drawing-in department, using handtruck.