D & A Neg Cutting
Wikisimpsons - The Simpsons Wiki
D & A Negative Cutting are Neg Cutters which work on The Simpsons.
 What is Negative Cutting?
Negative Cutting (also known as Negative Matching and Negative Conforming) is the process of cutting motion picture negative to match precisely the final edit as specified by the film editor.
 Negative Cutter