A professional who tends machine that tacks shoe parts to last, to prepare shoe upper for further lasting: places counter and tip support (box toe) on rack, immerses rack in liquid cement, and drains excess cement from parts.

• Inserts precemented parts between lining and upper.
• Pulls and aligns upper on last.
• Sets last on pin jack of machine.
• Pushes pin jack and upper into machine that tacks upper to last at heel seam and heel seat.