Windevice is used to know the wind direction while hunting. It is nontoxic product. And is available in the following scents: Doe in heat, dominant buck, pine, acorn, earth scent, vanilla & scent free. Windevice has been field test for the past 4 years by bow hunters i can honestly tell you it works & the hunters love it. Windevice is a start up company that sells direct to dealers only.