These incredibly bizarre Christian Louboutin stilettos like they would leave the wearer in absolute agony, but that's part of the point. They're part of the Fetish exhibit at the Galerie du Passage in Paris.
Going on point is one of the most difficult parts of formal ballet training, and while these make it easier to stay on your tip-toes, taking the strain off your toes, they'd likely torture other muscles instead.
Would walking in these even be possible? I don't think it matters, the wearer probably wouldn't be standing long anyway!