A professional who saturates felt cones in water and tends machine that stretches felt cones to form hat shapes. Respnsibilities include:

• Places felt cones in container of hot water or on racks in steam cabinet to condition cones.
• Removes conditioned cone from water or cabinet and pulls cone onto hat block.
• Positions hat block on holding device in bed of machine.
• Presses levers to close machine claws that grasp rim of cone and pull rim outward to form brim.
• Starts ram that forces block upward into cone to shape crown.
• Presses lever or depresses pedal to spray water and force air through cone, or pours water over cone to stiffen cone.
• Releases levers and removes hat from machine.
• Places hats on wheeled racks.
• May be designated according to type of hat blocked as wool-hat blocker.