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30 mei 2006
ALL OF THE JUMPING, none of the tripping.
Posted by ypsidixit at 30 mei 2006 13:10
Comments
I heard about this on NPR this morning. The inventor patented it based on only one handgrip, as he hasn't been able to afford to build the second grip.
Perhaps the technology is much more complex than it appears... :)
Posted by: Chair at 30 mei 2006 14:40