i went out saturday after 4 inches of fresh snow the night before. i had snow camo scent spray,my edge expidite coyote decoy.i let everything settle down before i started calling. i started out with a howl a few times nothing. went to a despirate cottontail nothing. i knew the areas had coyotes because i saw them duting deer season. hat am i doing wrond??? any suggestions or tips would be awesome!!!