A professional who tends machine that winds thread onto bobbins for use on sole-stitching machines. Responsibilities include:

• Places bobbins on spindle and inserts spindle into bobbin-winding machine.
• Wraps thread around first bobbin.
• Pushes lever to start machine.
• Holds spindle in place with hand, allows spring to move spindle, and positions next bobbin for winding.
• Cuts thread between bobbins, using knife.
• Removes spindle from machine and bobbins from spindle.