Simply The Best In Custom Calls Designed by 3x Grand National Calling Champion, Scott Ellis, the Black Reactor is arguably Scotts best design. Three years in development, this call truly takes the beginner or expert alike to another level of realism. Sweet yelping, with a smooth front end and nasty raspy back end is easily attainable. Whether calling loud and aggressive or getting soft and shy, the realistic tone of the Black Reactor stays true.