Dutch Window Cleaner
From wikikotten
The story
Clump Sucker was commisioned by a dutch window cleaner. He wanted to upgrade his footware to enable him to clean windows more efficiently and faster.
Permanent exhibition
The "dutch window cleaner" will be part of the permanent exhibition of "Pelhrimov Museum of Records and Curiosities" in Pelhrimov, Czech Republic from the beginning of 2010 onwards
http://www.czecot.com/en/tourist-attraction/7295_the-museum-of-records-and-curiosities-pelhrimov
The pictures
ps
For the people still doubting this ...
of course it doesn't work , do not try this at home
Other art from this inventor can be found here and here : Darwin's Bumpy Clown