Instruments of dubious value

Not the robosigned mortgages causing such an uproar among the bankers, but "the 10 Most Ludicrous Musical Instruments Ever Conceived." All are described and presented with videos so that they can be seen and heard. All are unfamiliar to me, and for most of them, I'd just as soon they stay that way. There might be a future for the violimba in horror movie scores. The Samchillian Tip Tip Tip Cheeepeeeee, a keyboard "based on relativity," is intriguing and might actually have a future. Or it might be from the future.