Hook and loop fasteners have become an integral part of our everyday life. Initially, the public wasn't sold on this kooky new invention that would replace zippers and buttons. It wasn't until NASA began using hook and pile tape in its space flights during the 1960s that people recognized its benefits. Now it's used everywhere, from school display boards to trade show exhibits to sandpaper to kids' shoes.http://www.quwinvelcro.com/hoo....k-and-loop/special-h