A professional who tends machine that stretches lower part of unfinished hat body to form brim. Respnsibilities include:

• Immerses hat bodies in hot water to soften material preparatory to stretching.
• Moves lever to adjust angle of metal ribs under hat-shaped block of machine to control specified brim width and crown height.
• Slips softened hat body onto block and over ribs.
• Presses button or depresses pedal to raise hat block and start movement of machine fingers that stretch brim.
• Releases pedal, turns body on block, and repeats stretching operation until brim is formed around entire hat body.
• Measures width of brim to ensure conformity with specifications, using ruler.
• Removes hat body from machine and places hat body on rack.