An ADC trapper in Illinois pointed out the value in the larger single door 10×12 and 12×12 traps made by other manufacturers.  Because the all around 9×11 Comstock traps are smaller they will easily slip into the larger traps, allowing animals to be transferred into the larger traps.  The Comstock traps can be reset to do what they do best, catch critters, while the older pan traps can be used for what they are best suited, as a transport container for an animal caught in a Comstock.