A professional who operates machine to crochet trimmings on knitted garments. Responsibilities include:

• Selects spools of thread according to specifications, or color of garment, and mounts spools on holder of machine.
• Threads needle and yarn carrier or looper of machine.
• Depresses pedal to clamp edge of material under presser foot of machine.
• Starts machine and guides material under crocheting needle.
• Stops machine, turns handwheel to raise needle from garment, and cuts threads with scissors.