The two metal bars down the sides with the prongs sticking out were connected directly to the AC plug (with a switch that turned them off with the lid open, of course). You pushed the hot dog ends onto the prongs and closed the lid. Your household AC went directly through the hot dogs, and 60 seconds later they were done!
https://www.google.com/search?q=westinghouse+dog-o-matic&tbm...
The two metal bars down the sides with the prongs sticking out were connected directly to the AC plug (with a switch that turned them off with the lid open, of course). You pushed the hot dog ends onto the prongs and closed the lid. Your household AC went directly through the hot dogs, and 60 seconds later they were done!