Hiking through the woods a squirrel appears out of nowhere on a tree ahead. As you grip the trigger, a dribble of sweat drips down your face. You're aware that you just have one opportunity. The squirrels tail flickers. You aim, hold your breath, and pull the trigger. Did this moment happen by chance? Not this time because you created a perfect combination of squirrel calls and squirrel sounds from your phone that lured that elusive squirrel to where you wanted him. Bagging a squirrel…