I'd seen them before, and they do look like a good idea. Edit: here, I found where I'd seen them, at Wired: http://www.wired.com/wiredscience/2009/07/barefoot

I'd seen them before, and they do look like a good idea. Edit: here, I found where I'd seen them, at Wired: http://www.wired.com/wiredscience/2009/07/barefoot/ http://www.wired.com/wiredscience/2009/07/barefoot/