Title: I love the concept, but...
Review: I thought this was a great idea, and it still could be. Two problems: The straps are too cheap. I've broken two of them by just tugging on them a little too hard while trying to make them tight enough. And the nails need to be tapered. As they are, they quickly fill up with debris as you walk around, making you have to stop and clean them. I think they would self-clean if the nail was a little wider at the top than at the point.
Is this product review negative?