Observe: a recent ChipGuide entry for "SI - Ship's Inn of Eureka CA" - given CG# 182511.

But use Mr. Mxyzptlk's Magic Reversal Ray Gun and you get ... zzzzzzzipppp!

"IS - The Iron Spur of Barstow" CG # 161791.

It'zz eazzzzy to make honezzzt mizztakezzz!

Kltpzyxm!!