The elk of a lifetime can be there in a moment and gone the next. Make it count with Icon Elk Calls. Built with the highest-quality materials, they deliver the convincing volume and authentic tones it takes to get the biggest bulls close. The Heat Seeker Elk Mouth Call features a single premium prophylactic reed with an expertly designed cut for realistic nasal tones of a cow in peak estrus. The Heat Seeker also produces loud, authentic bugles to bring big bulls in close.