A professional who tends machine that nicks curved edges of shoe parts, such as vamps, tongues, quarters, and bindings, to facilitate folding of edges, using either of following methods. Responsibilities include:

• (1) Turns machine head to bring designated multiedged die into position.
• Positions part under die and depresses pedal that forces die downward, nicking edge; or (2) Places part on machine post against guide and presses part against reciprocating knife to nick edge.
• May be designated according to part nicked as binding nicker.