Top 10 Dumbest Inventions

The dog sack to let man's best friend ride outside of the car, as illustrated in the June 1936 issue of Popular Mechanics. (http://blog.modernmechanix.com)

Kitty looks so fetching in this electric-blue wig. (Kitty Wigs)

Phone Fingers in action. (Phonefingers.com)

The Speedy Pedalofit, for those who can't walk but can still pedal. (Bromakin Wheelchairs)

The iFlyz portable media player holder, perfect for those long flights. (iFlyz)

Motorola's P970 battery charger, which is itself a rechargeable battery with a USB plug. (Motorola)

A diagram included with the patent application for the anti-eating face mask. (U.S. Patent Office)

The Fire Box Trap, intended to prevent false alarms, as illustrated in Modern Mechanix magazine in February 1938. (http://blog.modernmechanix.com)

A Russian Kamov Ka-50 attack helicopter on display at a Moscow air show. Its rotor blades blow off with explosive charges so that the pilot can safely eject. (U.S. Air Force)

The original Fisher Space Pen, used by both the American and Russian space programs. (Fisher Spacepen Co.)