The evil robot dog turned angrily to Wallace and Wendolene. But, just then. the knitting Machine put the dog-hair pullover over Preston's head. He couldn't see anything and he hit a lever by mistake. The lever moved the platform that Wallace. Wendolene the sheep. and Preston were on. and it went up into the air Now they were standing in front of a green conveyor belt that went to the Dog Food Machine. That's a clever machine. Wallace said when he sans the big metal teeth of the machine.