SC17 Coiled Flash lead

A useful accessory to have, for eliminating harsh background shadows when using external flash at functions especially, or simply to use a fixed head external flash as bounced flash too  One end connects to the flash, the other to the camera shoe, then you can hold the flash high with one hand and with the camera in the other take your pictures..a trick I learned years ago from a Pro friend of mine. This is a Nikon one and presumably Canon offer a similar one too?,