NiteIze is one of those companies that makes products that are brilliant in their simplicity. One of their new items is the KnotBone Adjustable Bungee, which adds flexibility to, well, flexibility.
Two sizes are available, both giving you a wide range of lengths to which you can set the cord. Adjusting is quick and easy, and the cords hold securely once adjusted. Watch the video below for a better idea of what they can do.